diff --git a/addons_extensions/business_travel_expense_management/__init__.py b/addons_extensions/business_travel_expense_management/__init__.py
new file mode 100644
index 000000000..3f3abeb49
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/__init__.py
@@ -0,0 +1,2 @@
+from . import models
+from . import wizard
diff --git a/addons_extensions/business_travel_expense_management/__manifest__.py b/addons_extensions/business_travel_expense_management/__manifest__.py
new file mode 100644
index 000000000..1f612318e
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/__manifest__.py
@@ -0,0 +1,38 @@
+{
+    'name': 'Business Travel & Expense Management',
+    'version': '1.0',
+    'summary': 'Enterprise Business Travel & Expense Management',
+    'description': """
+        Business Travel (Trips) & Expense Management Module.
+        - Pre-approved Trips
+        - Trip lifecycle management
+        - Expense tracking per Trip
+        - Manager & Finance approvals
+        - Reimbursement workflow
+    """,
+    'category': 'Human Resources',
+    'author': 'Karuna',
+    'depends': ['base', 'hr'],
+    'data': [
+        'security/travel_groups.xml',
+        'security/travel_trip_rules.xml',
+        'security/ir.model.access.csv',
+        # 'data/users.xml',
+        'data/trip_sequence.xml',
+        'wizard/trip_reject_wizard_view.xml',
+        'views/hr_job_view.xml',  # 👈 hr extension BEFORE menus
+        'views/travel_trip_views.xml',
+        'views/travel_city_category_views.xml',
+        'views/travel_group_view.xml',
+        'views/travel_stay_policy_view.xml',  # 👈 ADD HERE
+        'views/travel_daily_allowance_view.xml',
+        'views/travel_mode_policy_view.xml',
+        'views/travel_expense_views.xml',
+        'views/travel_activity_views.xml',
+        'views/travel_menu.xml',
+
+    ],
+    'images': ['static/description/banner.png'],
+    'installable': True,
+    'application': True,
+}
diff --git a/addons_extensions/business_travel_expense_management/data/trip_sequence.xml b/addons_extensions/business_travel_expense_management/data/trip_sequence.xml
new file mode 100644
index 000000000..07447e1c7
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/data/trip_sequence.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="seq_travel_trip" model="ir.sequence">
+        <field name="name">Travel Trip</field>
+        <field name="code">travel.trip</field>
+        <field name="prefix">TRIP/%(year)s/</field>
+        <field name="padding">4</field>
+    </record>
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/data/users.xml b/addons_extensions/business_travel_expense_management/data/users.xml
new file mode 100644
index 000000000..8e0e658f2
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/data/users.xml
@@ -0,0 +1,9 @@
+<!--<odoo>-->
+<!--    <record id="user_travel_finance" model="res.users">-->
+<!--        <field name="name">Finance User</field>-->
+<!--        <field name="login">finance@test.com</field>-->
+<!--        <field name="email">finance@test.com</field>-->
+
+<!--        &lt;!&ndash; Attach Travel - Finance group &ndash;&gt;-->
+<!--        <field name="groups_id" eval="[(4, ref('business_travel_expense_management.group_travel_finance'))]"/>-->
+<!--    </record>-->
diff --git a/addons_extensions/business_travel_expense_management/models/__init__.py b/addons_extensions/business_travel_expense_management/models/__init__.py
new file mode 100644
index 000000000..246afe4cc
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/__init__.py
@@ -0,0 +1,9 @@
+from . import travel_trip
+from . import travel_expense
+from . import travel_activity
+from . import travel_city_category
+from . import travel_group
+from . import hr_job
+from . import travel_stay_policy
+from . import travel_daily_allowance
+from . import travel_mode_policy
diff --git a/addons_extensions/business_travel_expense_management/models/hr_job.py b/addons_extensions/business_travel_expense_management/models/hr_job.py
new file mode 100644
index 000000000..5b78fa389
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/hr_job.py
@@ -0,0 +1,28 @@
+from odoo import models, fields, api
+
+class HrJob(models.Model):
+        _inherit = 'hr.job'
+
+        designation_level = fields.Selection([
+            ('a', 'Level A'),
+            ('b', 'Level B'),
+            ('c', 'Level C'),
+        ], string="Designation Level")
+
+        travel_group_id = fields.Many2one(
+            'travel.group',
+            compute='_compute_travel_group',
+            store=True,
+            readonly=True
+        )
+
+        @api.depends('designation_level')
+        def _compute_travel_group(self):
+            for rec in self:
+                if rec.designation_level:
+                    group = self.env['travel.group'].search([
+                        ('level_code', '=', rec.designation_level)
+                    ], limit=1)
+                    rec.travel_group_id = group.id
+                else:
+                    rec.travel_group_id = False
diff --git a/addons_extensions/business_travel_expense_management/models/travel_activity.py b/addons_extensions/business_travel_expense_management/models/travel_activity.py
new file mode 100644
index 000000000..5eb9b1504
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_activity.py
@@ -0,0 +1,114 @@
+from odoo import models, fields, api
+
+
+class TravelActivity(models.Model):
+    _name = 'travel.activity'
+    _description = 'Travel Activity'
+    _order = 'sequence, id'
+
+    # --------------------
+    # BASIC
+    # --------------------
+    sequence = fields.Integer(default=10)
+    name = fields.Char(string="Activity Title", required=True)
+
+    trip_id = fields.Many2one(
+        'travel.trip',
+        required=True,
+        ondelete='cascade'
+    )
+
+    activity_type = fields.Selection([
+        ('travel', 'Travel'),
+        ('stay', 'Stay'),
+        ('meeting', 'Meeting'),
+        ('local', 'Local Travel'),
+    ], required=True)
+
+    start_datetime = fields.Datetime("Start Time")
+    end_datetime = fields.Datetime("End Time")
+
+    # --------------------
+    # COMPUTED GROUP (VERY IMPORTANT)
+    # --------------------
+    travel_group_id = fields.Many2one(
+        'travel.group',
+        string="Travel Group",
+        compute="_compute_travel_group",
+        store=True
+    )
+
+    @api.depends('trip_id')
+    def _compute_travel_group(self):
+        for rec in self:
+            rec.travel_group_id = rec.trip_id.travel_group_id
+
+    # --------------------
+    # TRAVEL MODE (FILTERED BY GROUP)
+    # --------------------
+    travel_mode_policy_id = fields.Many2one(
+        'travel.mode.policy',
+        string="Travel Mode",
+        domain="""
+            [
+                ('travel_group_id', '=', travel_group_id),
+                ('mode_type', '=', activity_type),
+                ('active', '=', True)
+            ]
+        """
+    )
+
+    from_location = fields.Char()
+    to_location = fields.Char()
+    travel_details = fields.Char()
+
+    # --------------------
+    # OTHER FIELDS
+    # --------------------
+    stay_type = fields.Selection([
+        ('hotel', 'Hotel'),
+        ('guest', 'Guest House'),
+    ])
+
+    hotel_name = fields.Char()
+    city = fields.Char()
+    # city_category_id = fields.Many2one(
+    #     'travel.city.category',
+    #     string="City Category"
+    # )
+    checkin = fields.Datetime()
+    checkout = fields.Datetime()
+
+    meeting_title = fields.Char()
+    meeting_location = fields.Char()
+    notes = fields.Text()
+
+    local_travel_mode = fields.Selection([
+        ('cab', 'Cab'),
+        ('own', 'Own Vehicle'),
+    ], string="Local Travel Mode")
+
+    attachment_ids = fields.Many2many(
+        'ir.attachment',
+        'travel_activity_attachment_rel',
+        'activity_id',
+        'attachment_id',
+        string="Documents"
+    )
+
+    expense_ids = fields.One2many(
+        'travel.expense',
+        'activity_id',
+        string="Expenses"
+    )
+
+    total_amount = fields.Float(
+        string='Activity Total',
+        compute='_compute_total_amount',
+        store=True
+    )
+
+    @api.depends('expense_ids.amount')
+    def _compute_total_amount(self):
+        for rec in self:
+            rec.total_amount = sum(rec.expense_ids.mapped('amount'))
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/models/travel_city_category.py b/addons_extensions/business_travel_expense_management/models/travel_city_category.py
new file mode 100644
index 000000000..88b52b9b7
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_city_category.py
@@ -0,0 +1,17 @@
+from odoo import models, fields
+
+class TravelCityCategory(models.Model):
+    _name = 'travel.city.category'
+    _description = 'Travel City Category'
+
+    name = fields.Char(
+        string="City Category",
+        required=True
+    )
+
+    code = fields.Char(
+        string="Code",
+        help="Short code like AP_TG_HYD, AP_TG_OTHER, ROI"
+    )
+
+    active = fields.Boolean(default=True)
diff --git a/addons_extensions/business_travel_expense_management/models/travel_daily_allowance.py b/addons_extensions/business_travel_expense_management/models/travel_daily_allowance.py
new file mode 100644
index 000000000..913092244
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_daily_allowance.py
@@ -0,0 +1,25 @@
+from odoo import models, fields
+
+
+class TravelDailyAllowance(models.Model):
+    _name = 'travel.daily.allowance'
+    _description = 'Daily Allowance Policy'
+    _rec_name = 'travel_group_id'
+
+    travel_group_id = fields.Many2one(
+        'travel.group',
+        string="Travel Group",
+        required=True
+    )
+
+    city_category_id = fields.Many2one(
+        'travel.city.category',
+        string="City Category",
+        required=True
+    )
+
+    amount = fields.Float(string="Allowance Amount")
+
+    actuals_allowed = fields.Boolean(string="Actuals Allowed")
+
+    active = fields.Boolean(default=True)
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/models/travel_expense.py b/addons_extensions/business_travel_expense_management/models/travel_expense.py
new file mode 100644
index 000000000..bf48811e5
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_expense.py
@@ -0,0 +1,112 @@
+from odoo import models, fields, api
+from odoo.exceptions import UserError
+from odoo.exceptions import ValidationError
+
+
+
+class TravelExpense(models.Model):
+    _name = 'travel.expense'
+    _description = 'Travel Expense'
+    _order = 'expense_date desc, id desc'
+
+    name = fields.Char(string="Expense Description", required=True)
+    expense_date = fields.Date(default=fields.Date.today)
+    amount = fields.Monetary(required=True)
+
+    activity_id = fields.Many2one(
+        'travel.activity',
+        string="Activity",
+        required=True,
+        ondelete='cascade'
+    )
+    receipt = fields.Binary()
+
+    currency_id = fields.Many2one(
+        'res.currency',
+        default=lambda self: self.env.company.currency_id
+    )
+
+    state = fields.Selection([
+        ('draft', 'Draft'),
+        ('submitted', 'Submitted'),
+        ('approved', 'Approved'),
+        ('rejected', 'Rejected'),
+    ], default='draft')
+
+    # ---------------- Actions ----------------
+
+    @api.depends('expense_ids.amount')
+    def _compute_total_amount(self):
+        for rec in self:
+            rec.total_amount = sum(rec.expense_ids.mapped('amount'))
+
+    @api.onchange('expense_ids')
+    def _onchange_expense_ids(self):
+        self.total_amount = sum(self.expense_ids.mapped('amount'))
+
+    def action_submit(self):
+        for rec in self:
+            if rec.state != 'draft':
+                raise UserError("Only Draft expenses can be submitted.")
+            rec.state = 'submitted'
+            rec.message_post(body="🟡 Expense submitted.")
+
+    def action_approve(self):
+        for rec in self:
+            if rec.state != 'submitted':
+                raise UserError("Only Submitted expenses can be approved.")
+
+            manager_user = rec.activity_id.trip_id.manager_id.sudo().user_id
+            if manager_user != self.env.user:
+                raise UserError("Only the reporting manager can approve.")
+
+            rec.state = 'approved'
+            rec.message_post(body="🟢 Expense approved.")
+
+    def action_mark_reimbursed(self):
+        for rec in self:
+            if rec.state != 'approved':
+                raise UserError("Only Approved expenses can be reimbursed.")
+
+            if not self.env.user.has_group(
+                'business_travel_expense_management.group_travel_finance'
+            ):
+                raise UserError("Only Finance can reimburse.")
+
+            rec.state = 'reimbursed'
+            rec.message_post(body="💰 Expense reimbursed.")
+
+    @api.constrains('amount', 'activity_id')
+    def _check_stay_policy(self):
+        for record in self:
+
+            activity = record.activity_id
+
+            if not activity or activity.activity_type != 'stay':
+                continue
+
+            trip = activity.trip_id
+            group = trip.travel_group_id
+            city_category = trip.city_category_id  # 👈 NOW FROM TRIP
+
+            if not group:
+                raise ValidationError("Trip must have a Travel Group.")
+
+            if not city_category:
+                raise ValidationError("Trip must have a City Category selected.")
+
+            policy = self.env['travel.stay.policy'].search([
+                ('travel_group_id', '=', group.id),
+                ('city_category_id', '=', city_category.id),
+                ('active', '=', True)
+            ], limit=1)
+
+            if not policy:
+                raise ValidationError(
+                    f"No Stay Policy configured for Group '{group.name}' and City '{city_category.name}'."
+                )
+
+            if record.amount > policy.max_amount:
+                raise ValidationError(
+                    f"Stay expense exceeds allowed limit of {policy.max_amount}."
+                )
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/models/travel_group.py b/addons_extensions/business_travel_expense_management/models/travel_group.py
new file mode 100644
index 000000000..37835298e
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_group.py
@@ -0,0 +1,25 @@
+from odoo import models, fields
+
+class TravelGroup(models.Model):
+    _name = 'travel.group'
+    _description = 'Travel Group'
+
+    name = fields.Char(string='Travel Group', required=True)
+    active = fields.Boolean(default=True)
+
+    job_ids = fields.One2many(
+        'hr.job',
+        'travel_group_id',
+        string="Designations"
+    )
+
+    level_code = fields.Selection([
+        ('a', 'Level A'),
+        ('b', 'Level B'),
+        ('c', 'Level C'),
+    ], required=True)
+
+    allowed_travel_mode_ids = fields.Many2many(
+        'travel.mode',
+        string="Allowed Travel Modes"
+    )
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/models/travel_mode_policy.py b/addons_extensions/business_travel_expense_management/models/travel_mode_policy.py
new file mode 100644
index 000000000..231e9a37b
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_mode_policy.py
@@ -0,0 +1,31 @@
+from odoo import models, fields
+
+
+class TravelModePolicy(models.Model):
+    _name = 'travel.mode.policy'
+    _description = 'Travel Mode Policy'
+    _rec_name = 'travel_mode'   # This makes dropdown show Flight/2AC etc
+
+    travel_group_id = fields.Many2one(
+        'travel.group',
+        string="Travel Group",
+        required=True,
+        ondelete='cascade'
+    )
+
+    mode_type = fields.Selection([
+        ('travel', 'Travel'),
+        ('local', 'Local Travel'),
+    ], string="Mode Type", required=True)
+
+    travel_mode = fields.Selection([
+        ('flight', 'Flight'),
+        ('2ac', 'II AC'),
+        ('3ac', 'III AC'),
+        ('1st_class', '1st Class'),
+        ('car', 'Car'),
+        ('taxi', 'Taxi'),
+        ('auto', 'Auto'),
+    ], string="Travel Mode", required=True)
+
+    active = fields.Boolean(default=True)
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/models/travel_stay_policy.py b/addons_extensions/business_travel_expense_management/models/travel_stay_policy.py
new file mode 100644
index 000000000..f7666e71f
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_stay_policy.py
@@ -0,0 +1,26 @@
+from odoo import models, fields
+
+class TravelStayPolicy(models.Model):
+    _name = 'travel.stay.policy'
+    _description = 'Travel Stay Policy'
+
+    travel_group_id = fields.Many2one(
+        'travel.group',
+        string='Travel Group',
+        required=True
+    )
+    city_category_id = fields.Many2one(
+        'travel.city.category',
+        string='City Category',
+        required=True
+    )
+
+    min_amount = fields.Float(string='Min Amount')
+    max_amount = fields.Float(string='Max Amount')
+
+    is_actuals = fields.Boolean(
+        string='Actuals Allowed',
+        help='If checked, actual hotel cost is allowed'
+    )
+
+    active = fields.Boolean(default=True)
diff --git a/addons_extensions/business_travel_expense_management/models/travel_trip.py b/addons_extensions/business_travel_expense_management/models/travel_trip.py
new file mode 100644
index 000000000..3a1fcdf47
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/models/travel_trip.py
@@ -0,0 +1,179 @@
+from odoo import models, fields, api
+from odoo.exceptions import UserError
+
+
+class TravelTrip(models.Model):
+    _name = 'travel.trip'
+    _description = 'Business Travel Trip'
+    _inherit = ['mail.thread', 'mail.activity.mixin']
+    _order = 'id desc'
+
+    name = fields.Char(
+        string='Trip Reference',
+        required=True,
+        copy=False,
+        readonly=True,
+        default='New',
+        tracking=True
+    )
+
+    employee_id = fields.Many2one(
+        'hr.employee',
+        string='Employee',
+        required=True,
+        tracking=True
+    )
+
+    department_id = fields.Many2one(
+        'hr.department',
+        compute='_compute_emp_details',
+        store=True,
+        readonly=True,
+        tracking=True,
+        compute_sudo=True,  # IMPORTANT
+    )
+
+    manager_id = fields.Many2one(
+        'hr.employee',
+        compute='_compute_emp_details',
+        store=True,
+        readonly=True,
+        tracking=True,
+        compute_sudo=True,  # IMPORTANT
+    )
+
+    purpose = fields.Text(tracking=True)
+    from_location = fields.Char(tracking=True)
+    to_location = fields.Char(tracking=True)
+    start_date = fields.Date(tracking=True)
+    end_date = fields.Date(tracking=True)
+    estimated_cost = fields.Float(tracking=True)
+
+    reject_reason = fields.Text(string="Reject Reason", tracking=True)
+
+    state = fields.Selection([
+        ('draft', 'Draft'),
+        ('submitted', 'Submitted'),
+        ('approved', 'Approved'),
+        ('completed', 'Completed'),
+        ('reimbursed', 'Reimbursed'),
+    ], default='draft', tracking=True)
+
+    # expense_ids = fields.One2many(
+    #     'travel.expense',
+    #     'trip_id',
+    #     string='Expenses'
+    # )
+
+    trave_activity_ids = fields.One2many(
+        'travel.activity',  # child model
+        'trip_id',  # inverse field in travel.activity
+        string="Activities"
+    )
+    total_expense = fields.Float(
+        string='Activity Total',
+        compute='_compute_total_expense',
+        store=True
+    )
+
+    travel_group_id = fields.Many2one(
+        'travel.group',
+        string='Travel Group',
+        related='employee_id.job_id.travel_group_id',
+        store=True,
+        readonly=True
+    )
+    city_category_id = fields.Many2one(
+        'travel.city.category',
+        string="City Category",
+        required=True
+    )
+
+    @api.depends('trave_activity_ids.total_amount')
+    def _compute_total_expense(self):
+        for rec in self:
+            rec.total_expense = sum(rec.trave_activity_ids.mapped('total_amount'))
+
+
+    # ---------------- COMPUTE ----------------
+
+    @api.depends('employee_id')
+    def _compute_emp_details(self):
+        for rec in self:
+            if rec.employee_id:
+                emp = rec.employee_id.sudo()
+                rec.department_id = emp.department_id
+                rec.manager_id = emp.parent_id
+            else:
+                rec.department_id = False
+                rec.manager_id = False
+
+    # ---------------- CREATE ----------------
+
+    @api.model
+    def create(self, vals):
+        if vals.get('name', 'New') == 'New':
+            vals['name'] = self.env['ir.sequence'].next_by_code('travel.trip') or 'New'
+        return super().create(vals)
+
+    # ---------------- ACTIONS ----------------
+
+    def action_submit(self):
+        for rec in self:
+            # Submit all DRAFT expenses inside ALL activities
+            activities = rec.trave_activity_ids
+
+            expenses = activities.mapped('expense_ids').filtered(
+                lambda e: e.state == 'draft'
+            )
+
+            expenses.write({'state': 'submitted'})
+
+            rec.state = 'submitted'
+
+    def action_approve(self):
+        for rec in self:
+            if rec.state != 'submitted':
+                raise UserError('Only Submitted trips can be approved.')
+
+            # Only reporting manager or admin can approve
+            manager_user = rec.manager_id.sudo().user_id
+            if not self.env.is_admin() and (not manager_user or manager_user != self.env.user):
+                raise UserError("Only the reporting manager can approve this trip.")
+
+            rec.state = 'approved'
+
+            rec.message_post(
+                body=f"Trip <b>{rec.name}</b> has been approved by {self.env.user.name}.",
+                subtype_xmlid="mail.mt_comment"
+            )
+
+
+
+    def action_mark_completed(self):
+        for rec in self:
+            if rec.state != 'approved':
+                raise UserError('Only Approved trips can be marked as Completed.')
+
+            rec.state = 'completed'
+
+            rec.message_post(
+                body=f"Trip <b>{rec.name}</b> has been marked as Completed.",
+                subtype_xmlid="mail.mt_comment"
+            )
+
+    is_current_user_manager = fields.Boolean(
+        compute="_compute_is_current_user_manager",
+        store=False
+    )
+
+    def _compute_is_current_user_manager(self):
+        for rec in self:
+            rec.is_current_user_manager = (
+                    rec.manager_id
+                    and rec.manager_id.sudo().user_id
+                    and rec.manager_id.sudo().user_id.id == self.env.user.id
+            )
+
+
+
diff --git a/addons_extensions/business_travel_expense_management/security/ir.model.access.csv b/addons_extensions/business_travel_expense_management/security/ir.model.access.csv
new file mode 100644
index 000000000..2a6a06ea3
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/security/ir.model.access.csv
@@ -0,0 +1,11 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_travel_trip,travel.trip,model_travel_trip,base.group_user,1,1,1,1
+access_travel_expense,travel.expense,model_travel_expense,base.group_user,1,1,1,1
+access_trip_reject_wizard,trip.reject.wizard,model_trip_reject_wizard,base.group_user,1,1,1,1
+access_travel_activity_employee,travel.activity employee,model_travel_activity,base.group_user,1,1,1,1
+access_travel_activity_user,travel.activity user,model_travel_activity,base.group_user,1,1,1,1
+access_travel_city_category,travel.city.category,model_travel_city_category,base.group_user,1,1,1,1
+access_travel_group_user,travel.group user,model_travel_group,base.group_user,1,1,1,1
+access_travel_stay_policy,travel.stay.policy,model_travel_stay_policy,base.group_user,1,1,1,1
+access_travel_daily_allowance_user,access_travel_daily_allowance_user,model_travel_daily_allowance,base.group_user,1,1,1,1
+access_travel_mode_policy_user,access_travel_mode_policy_user,model_travel_mode_policy,base.group_user,1,1,1,1
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/security/travel_groups.xml b/addons_extensions/business_travel_expense_management/security/travel_groups.xml
new file mode 100644
index 000000000..6ea3e36fc
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/security/travel_groups.xml
@@ -0,0 +1,18 @@
+<odoo>
+    <record id="group_travel_employee" model="res.groups">
+        <field name="name">Travel - Employee</field>
+        <field name="category_id" ref="base.module_category_human_resources"/>
+    </record>
+
+    <record id="group_travel_manager" model="res.groups">
+        <field name="name">Travel - Manager</field>
+        <field name="category_id" ref="base.module_category_human_resources"/>
+        <field name="implied_ids" eval="[(4, ref('group_travel_employee'))]"/>
+    </record>
+
+    <record id="group_travel_finance" model="res.groups">
+        <field name="name">Travel - Finance</field>
+        <field name="category_id" ref="base.module_category_human_resources"/>
+        <field name="implied_ids" eval="[(4, ref('group_travel_manager'))]"/>
+    </record>
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/security/travel_trip_rules.xml b/addons_extensions/business_travel_expense_management/security/travel_trip_rules.xml
new file mode 100644
index 000000000..ab38fc66d
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/security/travel_trip_rules.xml
@@ -0,0 +1,27 @@
+<odoo>
+
+    <!-- Employees: only their own trips -->
+    <record id="travel_trip_rule_employee_own" model="ir.rule">
+        <field name="name">Travel Trip: Employee Own</field>
+        <field name="model_id" ref="model_travel_trip"/>
+        <field name="domain_force">[('employee_id.user_id', '=', user.id)]</field>
+        <field name="groups" eval="[(4, ref('business_travel_expense_management.group_travel_employee'))]"/>
+    </record>
+
+    <!-- Managers: trips of their team -->
+    <record id="travel_trip_rule_manager_team" model="ir.rule">
+        <field name="name">Travel Trip: Manager Team</field>
+        <field name="model_id" ref="model_travel_trip"/>
+        <field name="domain_force">[('manager_id.user_id', '=', user.id)]</field>
+        <field name="groups" eval="[(4, ref('business_travel_expense_management.group_travel_manager'))]"/>
+    </record>
+
+    <!-- System / Admin: everything -->
+    <record id="travel_trip_rule_admin_all" model="ir.rule">
+        <field name="name">Travel Trip: Admin All</field>
+        <field name="model_id" ref="model_travel_trip"/>
+        <field name="domain_force">[(1,'=',1)]</field>
+        <field name="groups" eval="[(4, ref('base.group_system'))]"/>
+    </record>
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/static/decription/banner.png b/addons_extensions/business_travel_expense_management/static/decription/banner.png
new file mode 100644
index 000000000..234fa7fa3
Binary files /dev/null and b/addons_extensions/business_travel_expense_management/static/decription/banner.png differ
diff --git a/addons_extensions/business_travel_expense_management/static/decription/icon.png b/addons_extensions/business_travel_expense_management/static/decription/icon.png
new file mode 100644
index 000000000..234fa7fa3
Binary files /dev/null and b/addons_extensions/business_travel_expense_management/static/decription/icon.png differ
diff --git a/addons_extensions/business_travel_expense_management/views/hr_job_view.xml b/addons_extensions/business_travel_expense_management/views/hr_job_view.xml
new file mode 100644
index 000000000..2a9471f5f
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/hr_job_view.xml
@@ -0,0 +1,16 @@
+<odoo>
+    <record id="view_hr_job_form_inherit_travel_group" model="ir.ui.view">
+        <field name="name">hr.job.form.inherit.travel.group</field>
+        <field name="model">hr.job</field>
+        <field name="inherit_id" ref="hr.view_hr_job_form"/>
+        <field name="arch" type="xml">
+
+            <!-- Insert Travel Group below Department -->
+            <xpath expr="//field[@name='department_id']" position="after">
+                <field name="designation_level"/>
+                <field name="travel_group_id" readonly="1"/>
+            </xpath>
+
+        </field>
+    </record>
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_activity_views.xml b/addons_extensions/business_travel_expense_management/views/travel_activity_views.xml
new file mode 100644
index 000000000..67672bb3f
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_activity_views.xml
@@ -0,0 +1,134 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_travel_activity_form" model="ir.ui.view">
+        <field name="name">travel.activity.form</field>
+        <field name="model">travel.activity</field>
+        <field name="arch" type="xml">
+
+            <form string="Activity">
+
+                <sheet>
+
+                    <!-- TITLE -->
+                    <div class="oe_title">
+                        <h1>
+                            <field name="name" placeholder="Activity title"/>
+                        </h1>
+                    </div>
+
+                    <!-- ACTIVITY TYPE -->
+                    <group>
+                        <field name="activity_type"/>
+                    </group>
+
+                    <!-- TRAVEL DETAILS -->
+                    <group string="Travel Details"
+                           invisible="activity_type != 'travel'">
+
+                        <group>
+                            <field name="travel_mode_policy_id"/>
+                            <field name="from_location"/>
+                            <field name="to_location"/>
+                        </group>
+
+                        <group>
+                            <field name="start_datetime"/>
+                            <field name="end_datetime"/>
+                        </group>
+
+                        <!--                        <field name="travel_details" colspan="2"/>-->
+                    </group>
+
+                    <!-- STAY DETAILS -->
+                    <group string="Accommodation Details"
+                           invisible="activity_type != 'stay'">
+
+                        <group>
+                            <field name="stay_type"/>
+                            <field name="hotel_name"/>
+                            <field name="city"/>
+                        </group>
+
+                        <group>
+                            <field name="checkin"/>
+                            <field name="checkout"/>
+                        </group>
+                    </group>
+
+                    <!-- MEETING DETAILS -->
+                    <group string="Meeting Details"
+                           invisible="activity_type != 'meeting'">
+
+                        <group>
+                            <field name="meeting_title"/>
+                            <field name="meeting_location"/>
+                        </group>
+
+                        <group>
+                            <field name="start_datetime"/>
+                            <field name="end_datetime"/>
+                        </group>
+
+                        <!--                        <field name="notes" colspan="2"/>-->
+                    </group>
+
+                    <!-- LOCAL TRAVEL -->
+                    <group string="Local Commute Details"
+                           invisible="activity_type != 'local'">
+
+                        <group>
+                            <field name="local_travel_mode"/>
+                            <field name="from_location"/>
+                            <field name="to_location"/>
+                        </group>
+
+                        <group>
+                            <field name="start_datetime"/>
+                            <field name="end_datetime"/>
+                        </group>
+                    </group>
+
+                    <!-- DOCUMENTS -->
+                    <separator string="Documents"/>
+
+                    <field name="attachment_ids">
+                        <list editable="bottom">
+                            <field name="name"/>
+                            <field name="datas"/>
+                        </list>
+                    </field>
+
+
+                    <!-- EXPENSES -->
+                    <separator string="Expenses"/>
+
+                    <field name="expense_ids"
+                           context="{'default_activity_id': id}">
+                        <list editable="bottom">
+                            <field name="name"/>
+                            <field name="expense_date"/>
+                            <field name="amount"/>
+                            <field name="state"/>
+                        </list>
+                    </field>
+
+                    <!-- TOTAL -->
+                    <group>
+                        <field name="total_amount" readonly="1"/>
+                    </group>
+
+                </sheet>
+            </form>
+
+        </field>
+    </record>
+    <record id="action_travel_activity" model="ir.actions.act_window">
+        <field name="name">Activity</field>
+        <field name="res_model">travel.activity</field>
+        <field name="view_mode">form</field>
+        <field name="view_id" ref="view_travel_activity_form"/>
+    </record>
+
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_city_category_views.xml b/addons_extensions/business_travel_expense_management/views/travel_city_category_views.xml
new file mode 100644
index 000000000..aae34a044
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_city_category_views.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <!-- List View -->
+    <record id="view_travel_city_category_tree" model="ir.ui.view">
+        <field name="name">travel.city.category.tree</field>
+        <field name="model">travel.city.category</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="name"/>
+                <field name="code"/>
+                <field name="active"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="view_travel_city_category_form" model="ir.ui.view">
+        <field name="name">travel.city.category.form</field>
+        <field name="model">travel.city.category</field>
+        <field name="arch" type="xml">
+            <form string="City Category">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                        <field name="code"/>
+                        <field name="active"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <record id="action_travel_city_category" model="ir.actions.act_window">
+        <field name="name">City Categories</field>
+        <field name="res_model">travel.city.category</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <!-- Menu -->
+<!--    <menuitem id="menu_travel_config_root"-->
+<!--              name="Travel Configuration"-->
+<!--              parent="menu_travel_root"-->
+<!--              sequence="50"/>-->
+
+<!--    <menuitem id="menu_travel_city_category"-->
+<!--              name="City Categories"-->
+<!--              parent="menu_travel_config_root"-->
+<!--              action="action_travel_city_category"-->
+<!--              sequence="10"/>-->
+
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_daily_allowance_view.xml b/addons_extensions/business_travel_expense_management/views/travel_daily_allowance_view.xml
new file mode 100644
index 000000000..e557ea59a
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_daily_allowance_view.xml
@@ -0,0 +1,44 @@
+<odoo>
+
+    <!-- TREE VIEW -->
+    <record id="view_travel_daily_allowance_tree" model="ir.ui.view">
+        <field name="name">travel.daily.allowance.tree</field>
+        <field name="model">travel.daily.allowance</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="travel_group_id"/>
+                <field name="city_category_id"/>
+                <field name="amount"/>
+                <field name="actuals_allowed"/>
+                <field name="active"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- FORM VIEW -->
+    <record id="view_travel_daily_allowance_form" model="ir.ui.view">
+        <field name="name">travel.daily.allowance.form</field>
+        <field name="model">travel.daily.allowance</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="travel_group_id"/>
+                        <field name="city_category_id"/>
+                        <field name="amount"/>
+                        <field name="actuals_allowed"/>
+                        <field name="active"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- ACTION -->
+    <record id="action_travel_daily_allowance" model="ir.actions.act_window">
+        <field name="name">Daily Allowance Policies</field>
+        <field name="res_model">travel.daily.allowance</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+</odoo>
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/views/travel_expense_views.xml b/addons_extensions/business_travel_expense_management/views/travel_expense_views.xml
new file mode 100644
index 000000000..1fb6fa0b4
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_expense_views.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_travel_expense_form" model="ir.ui.view">
+        <field name="name">travel.expense.form</field>
+        <field name="model">travel.expense</field>
+        <field name="arch" type="xml">
+            <form string="Expense">
+
+                <header>
+                    <button name="action_submit"
+                            string="Submit"
+                            type="object"
+                            class="btn-primary"
+                            invisible="state != 'draft'"/>
+
+                    <button name="action_approve"
+                            string="Approve"
+                            type="object"
+                            class="btn-success"
+                            invisible="state != 'submitted'"/>
+
+                    <button name="action_mark_reimbursed"
+                            string="Reimburse"
+                            type="object"
+                            class="btn-success"
+                            invisible="state != 'approved'"/>
+                </header>
+
+                <sheet>
+
+                    <div class="oe_title"
+                         style="display:flex; justify-content:space-between;">
+                        <h1>
+                            <field name="name" placeholder="Expense Description"/>
+                        </h1>
+                        <field name="state"
+                               widget="statusbar"
+                               statusbar_visible="draft,submitted,approved,reimbursed"/>
+                    </div>
+
+                    <group>
+                        <group>
+                            <field name="activity_id"/>
+                            <field name="expense_date"/>
+                        </group>
+                        <group>
+                            <field name="amount"/>
+                        </group>
+                    </group>
+
+                    <group string="Documents">
+                        <field name="receipt" widget="binary"/>
+                    </group>
+
+                </sheet>
+
+<!--                <chatter>-->
+<!--                    <field name="message_ids"/>-->
+<!--                </chatter>-->
+
+            </form>
+        </field>
+    </record>
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_group_view.xml b/addons_extensions/business_travel_expense_management/views/travel_group_view.xml
new file mode 100644
index 000000000..1ae366959
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_group_view.xml
@@ -0,0 +1,43 @@
+<odoo>
+
+    <!-- Tree View -->
+    <record id="view_travel_group_tree" model="ir.ui.view">
+        <field name="name">travel.group.tree</field>
+        <field name="model">travel.group</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="name"/>
+                <field name="active"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="view_travel_group_form" model="ir.ui.view">
+        <field name="name">travel.group.form</field>
+        <field name="model">travel.group</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                        <field name="level_code"/>   <!-- ADD THIS -->
+                        <field name="active"/>
+                    </group>
+                    <group string="Designations">
+                        <field name="job_ids" widget="many2many_tags" readonly="1"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <record id="action_travel_group" model="ir.actions.act_window">
+        <field name="name">Travel Groups</field>
+        <field name="res_model">travel.group</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_menu.xml b/addons_extensions/business_travel_expense_management/views/travel_menu.xml
new file mode 100644
index 000000000..cd4758eda
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_menu.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <!-- ROOT MENU (MUST HAVE ACTION) -->
+    <menuitem id="menu_travel_root"
+              name="Business Travel"
+              action="action_travel_trip"
+              sequence="50"
+              web_icon="business_travel_expense_management,static/decription/icon.png"
+              groups="base.group_user"/>
+
+    <!-- TRIPS -->
+    <menuitem id="menu_travel_trip"
+              name="Trips"
+              parent="menu_travel_root"
+              action="action_travel_trip"
+              sequence="10"
+              groups="base.group_user"/>
+
+    <!-- CONFIG ROOT -->
+    <menuitem id="menu_travel_config_root"
+              name="Travel Configuration"
+              parent="menu_travel_root"
+              sequence="50"
+              groups="base.group_user"/>
+
+    <!-- CITY CATEGORY -->
+    <menuitem id="menu_travel_city_category"
+              name="City Categories"
+              parent="menu_travel_config_root"
+              action="action_travel_city_category"
+              sequence="10"
+              groups="base.group_user"/>
+
+    <!-- Menu -->
+    <menuitem id="menu_travel_group"
+              name="Travel Groups"
+              parent="menu_travel_config_root"
+              action="action_travel_group"
+              sequence="20"
+              groups="base.group_user"/>
+
+    <menuitem id="menu_travel_stay_policy"
+          name="Stay Policies"
+          parent="menu_travel_config_root"
+          action="action_travel_stay_policy"
+          sequence="30"/>
+
+    <menuitem id="menu_travel_daily_allowance"
+          name="Daily Allowance Policies"
+          parent="menu_travel_config_root"
+          action="action_travel_daily_allowance"
+          sequence="20"/>
+
+    <menuitem id="menu_travel_mode_policy"
+          name="Travel Mode Policies"
+          parent="menu_travel_config_root"
+          action="action_travel_mode_policy"
+          sequence="30"/>
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_mode_policy_view.xml b/addons_extensions/business_travel_expense_management/views/travel_mode_policy_view.xml
new file mode 100644
index 000000000..f4b822c3f
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_mode_policy_view.xml
@@ -0,0 +1,41 @@
+<odoo>
+
+    <!-- TREE -->
+    <record id="view_travel_mode_policy_tree" model="ir.ui.view">
+        <field name="name">travel.mode.policy.tree</field>
+        <field name="model">travel.mode.policy</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="travel_group_id"/>
+                <field name="mode_type"/>
+                <field name="travel_mode"/>
+                <field name="active"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- FORM -->
+    <record id="view_travel_mode_policy_form" model="ir.ui.view">
+        <field name="name">travel.mode.policy.form</field>
+        <field name="model">travel.mode.policy</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="travel_group_id"/>
+                        <field name="mode_type"/>
+                        <field name="travel_mode"/>
+                        <field name="active"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_travel_mode_policy" model="ir.actions.act_window">
+        <field name="name">Travel Mode Policies</field>
+        <field name="res_model">travel.mode.policy</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+</odoo>
\ No newline at end of file
diff --git a/addons_extensions/business_travel_expense_management/views/travel_stay_policy_view.xml b/addons_extensions/business_travel_expense_management/views/travel_stay_policy_view.xml
new file mode 100644
index 000000000..01f83ecd4
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_stay_policy_view.xml
@@ -0,0 +1,42 @@
+<odoo>
+    <record id="view_travel_stay_policy_tree" model="ir.ui.view">
+        <field name="name">travel.stay.policy.tree</field>
+        <field name="model">travel.stay.policy</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="travel_group_id"/>
+                <field name="city_category_id"/>
+                <field name="min_amount"/>
+                <field name="max_amount"/>
+                <field name="is_actuals"/>
+                <field name="active"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="view_travel_stay_policy_form" model="ir.ui.view">
+        <field name="name">travel.stay.policy.form</field>
+        <field name="model">travel.stay.policy</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="travel_group_id"/>
+                        <field name="city_category_id"/>
+                        <field name="is_actuals"/>
+                        <field name="min_amount"/>
+                        <field name="max_amount"/>
+                        <field name="active"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+
+    <record id="action_travel_stay_policy" model="ir.actions.act_window">
+        <field name="name">Stay Policies</field>
+        <field name="res_model">travel.stay.policy</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/views/travel_trip_views.xml b/addons_extensions/business_travel_expense_management/views/travel_trip_views.xml
new file mode 100644
index 000000000..ffd780953
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/views/travel_trip_views.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <!-- Trip Form View -->
+    <record id="view_travel_trip_form" model="ir.ui.view">
+        <field name="name">travel.trip.form</field>
+        <field name="model">travel.trip</field>
+        <field name="arch" type="xml">
+            <form string="Trip">
+                <header>
+
+                    <!-- Employee -->
+                    <button name="action_submit"
+                            string="Submit Trip"
+                            type="object"
+                            class="btn-primary"
+                            invisible="state != 'draft'"/>
+
+                    <!-- Manager only -->
+                    <button name="action_approve"
+                            string="Approve"
+                            type="object"
+                            class="btn-success"
+                            invisible="state != 'submitted' or not is_current_user_manager"/>
+
+                    <button name="%(action_trip_reject_wizard)d"
+                            string="Reject"
+                            type="action"
+                            class="btn-danger"
+                            invisible="state != 'submitted' or not is_current_user_manager"/>
+
+                    <!-- Employee after approval -->
+                    <button name="action_mark_completed"
+                            string="Mark Completed"
+                            type="object"
+                            class="btn-secondary"
+                            invisible="state != 'approved'"/>
+
+                    <field name="state" widget="statusbar"
+                           statusbar_visible="draft,submitted,approved,completed,reimbursed,rejected"/>
+                </header>
+
+                <sheet>
+                    <group>
+                        <group>
+                            <field name="name" readonly="1"/>
+                            <field name="employee_id" readonly="state != 'draft'"/>
+                            <xpath expr="//field[@name='employee_id']" position="after">
+                                <field name="travel_group_id" readonly="1"/>
+                            </xpath>
+
+                            <field name="department_id" readonly="1"/>
+                            <field name="manager_id" readonly="1"/>
+                        </group>
+
+                        <group>
+                            <field name="from_location" readonly="state != 'draft'"/>
+                            <field name="to_location" readonly="state != 'draft'"/>
+                            <field name="start_date" readonly="state != 'draft'"/>
+                            <field name="end_date" readonly="state != 'draft'"/>
+                            <field name="estimated_cost" readonly="state != 'draft'"/>
+                            <field name="total_expense" string="Actual Cost"/>
+                            <field name="city_category_id"/>
+                        </group>
+                    </group>
+
+                    <group>
+                        <field name="purpose" readonly="state != 'draft'"/>
+                    </group>
+
+                    <!-- Show reject reason only when present -->
+                    <group invisible="not reject_reason">
+                        <field name="reject_reason" readonly="1"/>
+                    </group>
+
+                    <notebook>
+                        <!--                                                <page string="Expenses">-->
+                        <!--                                                    <field name="expense_ids"-->
+                        <!--                                                           readonly="state != 'draft'"-->
+                        <!--                                                           context="{'form_view_ref': 'business_travel_expense_management.view_travel_expense_form'}">-->
+
+                        <!--                                                        &lt;!&ndash; Only LIST here &ndash;&gt;-->
+                        <!--                                                        <list>-->
+                        <!--                                                            <field name="name"/>-->
+                        <!--                                                            <field name="category"/>-->
+                        <!--                                                            <field name="transport_detail"/>-->
+                        <!--                                                            <field name="distance_km"/>-->
+                        <!--                                                            <field name="amount"/>-->
+                        <!--                                                            <field name="expense_date"/>-->
+                        <!--                                                            <field name="state"/>-->
+                        <!--                                                        </list>-->
+
+                        <!--                                                    </field>-->
+                        <page string="Activities">
+                            <field name="trave_activity_ids"
+                                   context="{'default_trip_id': id}">
+                                <list>
+                                    <field name="sequence" widget="handle"/>
+                                    <field name="name" string="Activity"/>
+                                    <field name="activity_type"/>
+                                    <field name="start_datetime"/>
+                                    <field name="end_datetime"/>
+                                    <!--                                    <field name="currency_id" invisible="1"/>-->
+
+                                    <field name="total_amount"
+                                           string="Activity Total"
+                                           widget="monetary"/>
+                                    <!--                                           options="{'currency_field': 'currency_id'}"/>-->
+                                </list>
+                            </field>
+                        </page>
+
+
+                    </notebook>
+                    <!--                    <group>-->
+                    <!--                        <field name="total_amount"-->
+                    <!--                               widget="monetary"-->
+                    <!--                               options="{'currency_field': 'currency_id'}"-->
+                    <!--                               readonly="1"/>-->
+                    <!--                    </group>-->
+
+
+                    <chatter>
+                        <field name="message_follower_ids"/>
+                        <!--                        <field name="activity_ids"/>-->
+                        <field name="message_ids"/>
+                    </chatter>
+
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Tree View -->
+    <record id="view_travel_trip_tree" model="ir.ui.view">
+        <field name="name">travel.trip.tree</field>
+        <field name="model">travel.trip</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="name"/>
+                <field name="employee_id"/>
+                <field name="from_location"/>
+                <field name="to_location"/>
+                <field name="start_date"/>
+                <field name="end_date"/>
+                <field name="estimated_cost"/>
+                <field name="state"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <record id="action_travel_trip" model="ir.actions.act_window">
+        <field name="name">Trips</field>
+        <field name="res_model">travel.trip</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <!--    &lt;!&ndash; Menu &ndash;&gt;-->
+    <!--    <menuitem id="menu_travel_root"-->
+    <!--              name="Business Travel"-->
+    <!--              sequence="50"/>-->
+
+    <!--    <menuitem id="menu_travel_trip"-->
+    <!--              name="Trips"-->
+    <!--              parent="menu_travel_root"-->
+    <!--              action="action_travel_trip"-->
+    <!--              sequence="10"/>-->
+
+</odoo>
diff --git a/addons_extensions/business_travel_expense_management/wizard/__init__.py b/addons_extensions/business_travel_expense_management/wizard/__init__.py
new file mode 100644
index 000000000..d05c3e001
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/wizard/__init__.py
@@ -0,0 +1 @@
+from . import trip_reject_wizard
diff --git a/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard.py b/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard.py
new file mode 100644
index 000000000..11338a0a4
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard.py
@@ -0,0 +1,19 @@
+from odoo import models, fields
+from odoo.exceptions import UserError
+
+
+class TripRejectWizard(models.TransientModel):
+    _name = 'trip.reject.wizard'
+    _description = 'Reject Trip Wizard'
+
+    reason = fields.Text(string="Reason for Rejection", required=True)
+
+    def action_confirm_reject(self):
+        trip = self.env['travel.trip'].browse(self.env.context.get('active_id'))
+        if not trip:
+            raise UserError("No Trip found.")
+
+        trip.write({
+            'state': 'draft',
+            'reject_reason': self.reason
+        })
diff --git a/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard_view.xml b/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard_view.xml
new file mode 100644
index 000000000..cacb308d7
--- /dev/null
+++ b/addons_extensions/business_travel_expense_management/wizard/trip_reject_wizard_view.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_trip_reject_wizard" model="ir.ui.view">
+        <field name="name">trip.reject.wizard.form</field>
+        <field name="model">trip.reject.wizard</field>
+        <field name="arch" type="xml">
+            <form string="Reject Trip">
+                <group>
+                    <field name="reason"/>
+                </group>
+                <footer>
+                    <button string="Confirm Reject"
+                            type="object"
+                            name="action_confirm_reject"
+                            class="btn-danger"/>
+                    <button string="Cancel" special="cancel"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_trip_reject_wizard" model="ir.actions.act_window">
+        <field name="name">Reject Trip</field>
+        <field name="res_model">trip.reject.wizard</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+    </record>
+
+
+</odoo>