diff --git a/hr_commission/__init__.py b/hr_commission/__init__.py
new file mode 100644
index 00000000..09434554
--- /dev/null
+++ b/hr_commission/__init__.py
@@ -0,0 +1,3 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from . import models
diff --git a/hr_commission/__manifest__.py b/hr_commission/__manifest__.py
new file mode 100644
index 00000000..52e7d5d7
--- /dev/null
+++ b/hr_commission/__manifest__.py
@@ -0,0 +1,26 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+{
+    'name': 'Hibou Commissions',
+    'author': 'Hibou Corp. <hello@hibou.io>',
+    'version': '13.0.1.0.1',
+    'category': 'Accounting/Commissions',
+    'license': 'OPL-1',
+    'website': 'https://hibou.io/',
+    'depends': [
+        # 'account_invoice_margin',  # optional
+        'hr_contract',
+    ],
+    'data': [
+        'security/commission_security.xml',
+        'security/ir.model.access.csv',
+        'views/account_views.xml',
+        'views/commission_views.xml',
+        'views/hr_views.xml',
+        'views/partner_views.xml',
+        'views/res_config_settings_views.xml',
+    ],
+    'installable': True,
+    'application': True,
+    'auto_install': False,
+ }
diff --git a/hr_commission/models/__init__.py b/hr_commission/models/__init__.py
new file mode 100755
index 00000000..d739b6ed
--- /dev/null
+++ b/hr_commission/models/__init__.py
@@ -0,0 +1,8 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from . import account
+from . import commission
+from . import hr
+from . import partner
+from . import res_company
+from . import res_config_settings
diff --git a/hr_commission/models/account.py b/hr_commission/models/account.py
new file mode 100644
index 00000000..9fc6c166
--- /dev/null
+++ b/hr_commission/models/account.py
@@ -0,0 +1,50 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class AccountMove(models.Model):
+    _inherit = 'account.move'
+
+    commission_ids = fields.One2many(comodel_name='hr.commission', inverse_name='source_move_id', string='Commissions')
+    commission_count = fields.Integer(string='Number of Commissions', compute='_compute_commission_count')
+
+    @api.depends('state', 'commission_ids')
+    def _compute_commission_count(self):
+        for move in self:
+            move.commission_count = len(move.commission_ids)
+        return True
+
+    def open_commissions(self):
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Invoice Commissions',
+            'res_model': 'hr.commission',
+            'view_mode': 'tree,form',
+            'context': {'search_default_source_move_id': self[0].id}
+        }
+
+    def action_post(self):
+        res = super(AccountMove, self).action_post()
+        invoices = self.filtered(lambda m: m.is_invoice())
+        if invoices:
+            self.env['hr.commission'].invoice_validated(invoices)
+        return res
+
+    def action_invoice_paid(self):
+        res = super(AccountMove, self).action_invoice_paid()
+        self.env['hr.commission'].invoice_paid(self)
+        return res
+
+    def amount_for_commission(self):
+        # TODO Should toggle in Config Params
+        if hasattr(self, 'margin') and self.company_id.commission_amount_type == 'on_invoice_margin':
+            sign = -1 if self.type in ['in_refund', 'out_refund'] else 1
+            return self.margin * sign
+        return self.amount_total_signed
+
+    def action_cancel(self):
+        res = super(AccountMove, self).action_cancel()
+        for move in self:
+            move.sudo().commission_ids.unlink()
+        return res
diff --git a/hr_commission/models/commission.py b/hr_commission/models/commission.py
new file mode 100644
index 00000000..3a491080
--- /dev/null
+++ b/hr_commission/models/commission.py
@@ -0,0 +1,329 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import api, fields, models
+from odoo.tools import float_is_zero
+from odoo.exceptions import UserError
+
+
+class Commission(models.Model):
+    _name = 'hr.commission'
+    _description = 'Commission'
+    _order = 'id desc'
+
+    state = fields.Selection([
+        ('draft', 'New'),
+        ('done', 'Confirmed'),
+        ('paid', 'Paid'),
+        ('cancel', 'Cancelled'),
+        ], 'Status', default='draft')
+    employee_id = fields.Many2one('hr.employee', required=1)
+    user_id = fields.Many2one('res.users', related='employee_id.user_id')
+    source_move_id = fields.Many2one('account.move')
+    contract_id = fields.Many2one('hr.contract')
+    structure_id = fields.Many2one('hr.commission.structure')
+    rate_type = fields.Selection([
+        ('normal', 'Normal'),
+        ('structure', 'Structure'),
+        ('admin', 'Admin'),
+        ('manual', 'Manual'),
+        ], 'Rate Type', default='normal')
+    rate = fields.Float('Rate')
+    base_total = fields.Float('Base Total')
+    base_amount = fields.Float(string='Base Amount')
+    amount = fields.Float(string='Amount')
+    move_id = fields.Many2one('account.move', ondelete='set null')
+    move_date = fields.Date(related='move_id.date', store=True)
+    company_id = fields.Many2one('res.company', 'Company', required=True,
+                                 default=lambda s: s.env['res.company']._company_default_get('hr.commission'))
+    memo = fields.Char(string='Memo')
+    accounting_date = fields.Date('Force Accounting Date',
+                                  help="Choose the accounting date at which you want to value the commission "
+                                       "moves created by the commission instead of the default one.")
+    payment_id = fields.Many2one('hr.commission.payment', string='Commission Payment', ondelete='set null')
+
+    @api.depends('employee_id', 'source_move_id')
+    def name_get(self):
+        res = []
+        for commission in self:
+            name = ''
+            if commission.source_move_id:
+                name += commission.source_move_id.name
+            if commission.employee_id:
+                if name:
+                    name += ' - ' + commission.employee_id.name
+                else:
+                    name += commission.employee_id.name
+            res.append((commission.id, name))
+        return res
+
+    @api.onchange('rate_type')
+    def _onchange_rate_type(self):
+        for commission in self.filtered(lambda c: c.rate_type == 'manual'):
+            commission.rate = 100.0
+
+    @api.onchange('source_move_id', 'contract_id', 'rate_type', 'base_amount', 'rate')
+    def _compute_amount(self):
+        for commission in self:
+            # Determine rate (if needed)
+            if commission.structure_id and commission.rate_type == 'structure':
+                line = commission.structure_id.line_ids.filtered(lambda l: l.employee_id == commission.employee_id)
+                commission.rate = line.get_rate()
+            elif commission.contract_id and commission.rate_type != 'manual':
+                if commission.rate_type == 'normal':
+                    commission.rate = commission.contract_id.commission_rate
+                else:
+                    commission.rate = commission.contract_id.admin_commission_rate
+
+            rounding = 2
+            if commission.source_move_id:
+                rounding = commission.source_move_id.company_currency_id.rounding
+                commission.base_total = commission.source_move_id.amount_total_signed
+                commission.base_amount = commission.source_move_id.amount_for_commission()
+
+            amount = (commission.base_amount * commission.rate) / 100.0
+            if float_is_zero(amount, precision_rounding=rounding):
+                amount = 0.0
+            commission.amount = amount
+
+
+    @api.model
+    def create(self, values):
+        res = super(Commission, self).create(values)
+        res._compute_amount()
+        if res.amount == 0.0 and res.state == 'draft':
+            res.state = 'done'
+        return res
+
+    def unlink(self):
+        if self.filtered(lambda c: c.move_id):
+            raise UserError('You cannot delete a commission when it has an accounting entry.')
+        return super(Commission, self).unlink()
+
+    def _filter_source_moves_for_creation(self, moves):
+        return moves.filtered(lambda i: i.user_id and not i.commission_ids)
+
+    @api.model
+    def _commissions_to_confirm(self, moves):
+        commissions = moves.mapped('commission_ids')
+        return commissions.filtered(lambda c: c.state != 'cancel' and not c.move_id)
+
+    @api.model
+    def invoice_validated(self, moves):
+        employee_obj = self.env['hr.employee'].sudo()
+        commission_obj = self.sudo()
+        for move in self._filter_source_moves_for_creation(moves):
+            move_amount = move.amount_for_commission()
+
+            # Does the invoice have a commission structure?
+            partner = move.partner_id
+            commission_structure = partner.commission_structure_id
+            while not commission_structure and partner:
+                partner = partner.parent_id
+                commission_structure = partner.commission_structure_id
+
+            if commission_structure:
+                commission_structure.create_for_source_move(move, move_amount)
+            else:
+                employee = employee_obj.search([('user_id', '=', move.user_id.id)], limit=1)
+                contract = employee.contract_id
+                if all((employee, contract)):
+                    move.commission_ids += commission_obj.create({
+                        'employee_id': employee.id,
+                        'contract_id': contract.id,
+                        'source_move_id': move.id,
+                        'base_amount': move_amount,
+                        'rate_type': 'normal',
+                        'company_id': move.company_id.id,
+                    })
+
+                # Admin/Coach commission.
+                employee = employee.coach_id
+                contract = employee.contract_id
+                if all((employee, contract)):
+                    move.commission_ids += commission_obj.create({
+                        'employee_id': employee.id,
+                        'contract_id': contract.id,
+                        'source_move_id': move.id,
+                        'base_amount': move_amount,
+                        'rate_type': 'admin',
+                        'company_id': move.company_id.id,
+                    })
+
+            if move.commission_ids and move.company_id.commission_type == 'on_invoice':
+                commissions = self._commissions_to_confirm(move)
+                commissions.sudo().action_confirm()
+
+        return True
+
+    @api.model
+    def invoice_paid(self, moves):
+        commissions = self._commissions_to_confirm(moves)
+        commissions.sudo().action_confirm()
+        return True
+
+    def action_confirm(self):
+        move_obj = self.env['account.move'].sudo()
+
+        for commission in self:
+            if commission.state == 'cancel':
+                continue
+            if commission.move_id or commission.amount == 0.0:
+                commission.write({'state': 'done'})
+                continue
+
+            journal = commission.company_id.commission_journal_id
+            if not journal or not journal.default_debit_account_id or not journal.default_credit_account_id:
+                raise UserError('Commission Journal not configured.')
+
+            liability_account = commission.company_id.commission_liability_id
+            if not liability_account:
+                liability_account = commission.employee_id.address_home_id.property_account_payable_id
+            if not liability_account:
+                raise UserError('Commission liability account must be configured if employee\'s don\'t have AP setup.')
+
+            date = commission.source_move_id.date if commission.source_move_id else fields.Date.context_today(commission)
+
+            # Already paid.
+            payments = commission.source_move_id._get_reconciled_payments()
+            if payments:
+                date = max(payments.mapped('payment_date'))
+            if commission.accounting_date:
+                date = commission.accounting_date
+
+            ref = 'Commission for ' + commission.name_get()[0][1]
+            if commission.memo:
+                ref += ' :: ' + commission.memo
+
+            move = move_obj.create({
+                'date': date,
+                'ref': ref,
+                'journal_id': journal.id,
+                'type': 'entry',
+                'line_ids': [
+                    (0, 0, {
+                        'name': ref,
+                        'partner_id': commission.employee_id.address_home_id.id,
+                        'account_id': liability_account.id,
+                        'credit': commission.amount if commission.amount > 0.0 else 0.0,
+                        'debit': 0.0 if commission.amount > 0.0 else -commission.amount,
+                    }),
+                    (0, 0, {
+                        'name': ref,
+                        'partner_id': commission.employee_id.address_home_id.id,
+                        'account_id': journal.default_credit_account_id.id if commission.amount > 0.0 else journal.default_debit_account_id.id,
+                        'credit': 0.0 if commission.amount > 0.0 else -commission.amount,
+                        'debit': commission.amount if commission.amount > 0.0 else 0.0,
+                    }),
+                ],
+            })
+            move.post()
+            commission.write({'state': 'done', 'move_id': move.id})
+        return True
+
+    def action_mark_paid(self):
+        if self.filtered(lambda c: c.state != 'done'):
+            raise UserError('You cannot mark a commission "paid" if it is not already "done".')
+        if not self:
+            raise UserError('You must have at least one "done" commission.')
+        payments = self._mark_paid()
+        action = self.env.ref('hr_commission.action_hr_commission_payment').read()[0]
+        action['res_ids'] = payments.ids
+        return action
+
+    def _mark_paid(self):
+        employees = self.mapped('employee_id')
+        payments = self.env['hr.commission.payment']
+        for employee in employees:
+            commissions = self.filtered(lambda c: c.employee_id == employee)
+            min_date = False
+            max_date = False
+            for commission in commissions:
+                if not min_date or (commission.move_date and min_date > commission.move_date):
+                    min_date = commission.move_date
+                if not max_date or (commission.move_date and max_date < commission.move_date):
+                    max_date = commission.move_date
+            payment = payments.create({
+                'employee_id': employee.id,
+                'name': ('Commissions %s - %s' % (min_date, max_date)),
+                'date': fields.Date.today(),
+            })
+            payments += payment
+            commissions.write({'state': 'paid', 'payment_id': payment.id})
+        return payments
+
+    def action_cancel(self):
+        for commission in self:
+            if commission.move_id:
+                commission.move_id.write({'state': 'draft'})
+                commission.move_id.unlink()
+            commission.write({'state': 'cancel'})
+        return True
+
+    def action_draft(self):
+        for commission in self.filtered(lambda c: c.state == 'cancel'):
+            commission.write({'state': 'draft'})
+
+
+class CommissionPayment(models.Model):
+    _name = 'hr.commission.payment'
+    _description = 'Commission Payment'
+    _order = 'id desc'
+
+    name = fields.Char(string='Name')
+    employee_id = fields.Many2one('hr.employee', required=1)
+    user_id = fields.Many2one('res.users', related='employee_id.user_id')
+    date = fields.Date(string='Date')
+    commission_ids = fields.One2many('hr.commission', 'payment_id', string='Paid Commissions', readonly=True)
+    commission_count = fields.Integer(string='Commission Count', compute='_compute_commission_stats', store=True)
+    commission_amount = fields.Float(string='Commission Amount', compute='_compute_commission_stats', store=True)
+
+    @api.depends('commission_ids')
+    def _compute_commission_stats(self):
+        for payment in self:
+            payment.commission_count = len(payment.commission_ids)
+            payment.commission_amount = sum(payment.commission_ids.mapped('amount'))
+
+
+class CommissionStructure(models.Model):
+    _name = 'hr.commission.structure'
+    _description = 'Commission Structure'
+    _order = 'id desc'
+
+    name = fields.Char(string='Name')
+    line_ids = fields.One2many('hr.commission.structure.line', 'structure_id', string='Lines')
+
+    def create_for_source_move(self, move, amount):
+        self.ensure_one()
+        commission_obj = self.env['hr.commission'].sudo()
+
+        for line in self.line_ids:
+            employee = line.employee_id
+            rate = line.get_rate()
+            if all((employee, rate)):
+                contract = False
+                if not line.rate:
+                    # The rate must have come from the contract.
+                    contract = employee.contract_id
+                move.commission_ids += commission_obj.create({
+                    'employee_id': employee.id,
+                    'structure_id': self.id,
+                    'source_move_id': move.id,
+                    'base_amount': amount,
+                    'rate_type': 'structure',
+                    'contract_id': contract.id if contract else False,
+                    'company_id': move.company_id.id,
+                })
+
+
+class CommissionStructureLine(models.Model):
+    _name = 'hr.commission.structure.line'
+    _description = 'Commission Structure Line'
+
+    structure_id = fields.Many2one('hr.commission.structure', string='Structure', required=True)
+    employee_id = fields.Many2one('hr.employee', string='Employee', required=True)
+    rate = fields.Float(string='Commission %', default=0.0, help='Leave 0.0 to use the employee\'s current contract rate.')
+
+    def get_rate(self):
+        if not self.rate:
+            return self.employee_id.contract_id.commission_rate
+        return self.rate
diff --git a/hr_commission/models/hr.py b/hr_commission/models/hr.py
new file mode 100644
index 00000000..4047ee34
--- /dev/null
+++ b/hr_commission/models/hr.py
@@ -0,0 +1,11 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class Contract(models.Model):
+    _inherit = 'hr.contract'
+
+    commission_rate = fields.Float(string='Commission %', default=0.0)
+    admin_commission_rate = fields.Float(string='Admin Commission %', default=0.0)
+
diff --git a/hr_commission/models/partner.py b/hr_commission/models/partner.py
new file mode 100644
index 00000000..b88149ad
--- /dev/null
+++ b/hr_commission/models/partner.py
@@ -0,0 +1,9 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import fields, models
+
+
+class Partner(models.Model):
+    _inherit = 'res.partner'
+
+    commission_structure_id = fields.Many2one('hr.commission.structure', string='Commission Structure')
diff --git a/hr_commission/models/res_company.py b/hr_commission/models/res_company.py
new file mode 100644
index 00000000..26a2acb4
--- /dev/null
+++ b/hr_commission/models/res_company.py
@@ -0,0 +1,18 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import fields, models
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    commission_journal_id = fields.Many2one('account.journal', string='Commission Journal')
+    commission_liability_id = fields.Many2one('account.account', string='Commission Liability Account')
+    commission_type = fields.Selection([
+        ('on_invoice', 'On Invoice Validation'),
+        ('on_invoice_paid', 'On Invoice Paid'),
+    ], string='Pay Commission', default='on_invoice_paid')
+    commission_amount_type = fields.Selection([
+        ('on_invoice_margin', 'On Invoice Margin'),
+        ('on_invoice_total', 'On Invoice Total'),
+    ], string='Commission Base', default='on_invoice_margin')
diff --git a/hr_commission/models/res_config_settings.py b/hr_commission/models/res_config_settings.py
new file mode 100644
index 00000000..d09b5b38
--- /dev/null
+++ b/hr_commission/models/res_config_settings.py
@@ -0,0 +1,12 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = 'res.config.settings'
+
+    commission_journal_id = fields.Many2one(related='company_id.commission_journal_id', readonly=False)
+    commission_liability_id = fields.Many2one(related='company_id.commission_liability_id', readonly=False)
+    commission_type = fields.Selection(related='company_id.commission_type', readonly=False)
+    commission_amount_type = fields.Selection(related='company_id.commission_amount_type', readonly=False)
diff --git a/hr_commission/security/commission_security.xml b/hr_commission/security/commission_security.xml
new file mode 100644
index 00000000..844471ff
--- /dev/null
+++ b/hr_commission/security/commission_security.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="0">
+
+        <record id="hr_commission_rule" model="ir.rule">
+            <field name="name">Commission User</field>
+            <field name="model_id" ref="model_hr_commission"/>
+            <field name="domain_force">[('user_id', '=', user.id)]</field>
+            <field name="groups" eval="[(4, ref('base.group_user'))]"/>
+        </record>
+
+        <record id="hr_commission_rule_manager" model="ir.rule">
+            <field name="name">Commission Manager</field>
+            <field name="model_id" ref="model_hr_commission"/>
+            <field name="domain_force">[(1, '=', 1)]</field>
+            <field name="groups" eval="[(4, ref('account.group_account_manager'))]"/>
+        </record>
+
+        <record id="hr_commission_payment_rule" model="ir.rule">
+            <field name="name">Commission Payment User</field>
+            <field name="model_id" ref="model_hr_commission_payment"/>
+            <field name="domain_force">[('user_id', '=', user.id)]</field>
+            <field name="groups" eval="[(4, ref('base.group_user'))]"/>
+        </record>
+
+        <record id="hr_commission_payment_rule_manager" model="ir.rule">
+            <field name="name">Commission Payment Manager</field>
+            <field name="model_id" ref="model_hr_commission_payment"/>
+            <field name="domain_force">[(1, '=', 1)]</field>
+            <field name="groups" eval="[(4, ref('account.group_account_manager'))]"/>
+        </record>
+
+    </data>
+</odoo>
diff --git a/hr_commission/security/ir.model.access.csv b/hr_commission/security/ir.model.access.csv
new file mode 100644
index 00000000..59b621a1
--- /dev/null
+++ b/hr_commission/security/ir.model.access.csv
@@ -0,0 +1,9 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_commission_user,commission user,model_hr_commission,base.group_user,1,0,0,0
+access_commission_manager,commission manager,model_hr_commission,account.group_account_manager,1,1,1,1
+access_commission_payment_user,commission payment user,model_hr_commission_payment,base.group_user,1,0,0,0
+access_commission_payment_manager,commission payment manager,model_hr_commission_payment,account.group_account_manager,1,1,1,1
+access_commission_structure_user,commission structure user,model_hr_commission_structure,base.group_user,1,0,0,0
+access_commission_structure_manager,commission structure manager,model_hr_commission_structure,account.group_account_manager,1,1,1,1
+access_commission_structure_line_user,commission structure line user,model_hr_commission_structure_line,base.group_user,1,0,0,0
+access_commission_structure_line_manager,commission structure line manager,model_hr_commission_structure_line,account.group_account_manager,1,1,1,1
diff --git a/hr_commission/static/description/icon.png b/hr_commission/static/description/icon.png
new file mode 100644
index 00000000..f4d8b501
Binary files /dev/null and b/hr_commission/static/description/icon.png differ
diff --git a/hr_commission/tests/__init__.py b/hr_commission/tests/__init__.py
new file mode 100755
index 00000000..4745f69f
--- /dev/null
+++ b/hr_commission/tests/__init__.py
@@ -0,0 +1,3 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from . import test_commission
diff --git a/hr_commission/tests/test_commission.py b/hr_commission/tests/test_commission.py
new file mode 100644
index 00000000..688513d1
--- /dev/null
+++ b/hr_commission/tests/test_commission.py
@@ -0,0 +1,227 @@
+# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details.
+
+from odoo.tests import common
+
+
+class TestCommission(common.TransactionCase):
+
+    def setUp(self):
+        super().setUp()
+        self.user = self.browse_ref('base.user_demo')
+        self.employee = self.browse_ref('hr.employee_qdp')  # This is the employee associated with above user.
+
+    def _createUser(self):
+        return self.env['res.users'].create({
+            'name': 'Coach',
+            'email': 'coach',
+        })
+
+    def _createEmployee(self, user):
+        return self.env['hr.employee'].create({
+            'birthday': '1985-03-14',
+            'country_id': self.ref('base.us'),
+            'department_id': self.ref('hr.dep_rd'),
+            'gender': 'male',
+            'name': 'Jared',
+            'address_home_id': user.partner_id.id,
+            'user_id': user.id,
+        })
+
+    def _createContract(self, employee, commission_rate, admin_commission_rate=0.0):
+        return self.env['hr.contract'].create({
+            'date_start': '2016-01-01',
+            'date_end': '2030-12-31',
+            'name': 'Contract for tests',
+            'wage': 1000.0,
+            # 'type_id': self.ref('hr_contract.hr_contract_type_emp'),
+            'employee_id': employee.id,
+            'resource_calendar_id': self.ref('resource.resource_calendar_std'),
+            'commission_rate': commission_rate,
+            'admin_commission_rate': admin_commission_rate,
+            'state': 'open',  # if not "Running" then no automatic selection when Payslip is created in 11.0
+        })
+
+    def _createInvoiceableSaleOrder(self, user):
+        product = self.env.ref('sale.advance_product_0')
+        partner = self.env.ref('base.res_partner_12')
+        sale = self.env['sale.order'].create({
+            'partner_id': partner.id,
+            'user_id': user.id,
+            'order_line': [(0, 0, {
+                'name': 'test deposit',
+                'product_id': product.id,
+                'product_uom_qty': 1.0,
+                'product_uom': product.uom_id.id,
+                'price_unit': 5.0,
+            })]
+        })
+        self.assertEqual(sale.user_id, user)
+        sale.action_confirm()
+        self.assertTrue(sale.state in ('sale', 'done'))
+        self.assertEqual(sale.invoice_status, 'to invoice')
+        return sale
+
+    def test_commission(self):
+        # find and configure company commissions journal
+        commission_journal = self.env['account.journal'].search([('type', '=', 'general')], limit=1)
+        self.assertTrue(commission_journal)
+        expense_account = self.env.ref('l10n_generic_coa.1_expense')
+        commission_journal.default_debit_account_id = expense_account
+        commission_journal.default_credit_account_id = expense_account
+        self.env.user.company_id.commission_journal_id = commission_journal
+
+        coach = self._createEmployee(self.browse_ref('base.user_root'))
+        coach_contract = self._createContract(coach, 12.0, admin_commission_rate=2.0)
+        user = self.user
+        emp = self.employee
+        emp.address_home_id = user.partner_id  # Important field for payables.
+        emp.coach_id = coach
+
+        contract = self._createContract(emp, 5.0)
+
+        so = self._createInvoiceableSaleOrder(user)
+        inv = so._create_invoices()
+        self.assertFalse(inv.commission_ids, 'Commissions exist when invoice is created.')
+        inv.action_post()  # validate
+        self.assertEqual(inv.state, 'posted')
+        self.assertEqual(inv.invoice_payment_state, 'not_paid')
+        self.assertTrue(inv.commission_ids, 'Commissions not created when invoice is validated.')
+
+        user_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == emp.id)
+        self.assertEqual(len(user_commission), 1, 'Incorrect commission count %d (expect 1)' % len(user_commission))
+        self.assertEqual(user_commission.state, 'draft', 'Commission is not draft.')
+        self.assertFalse(user_commission.move_id, 'Commission has existing journal entry.')
+
+        # Amounts
+        commission_rate = contract.commission_rate
+        self.assertEqual(commission_rate, 5.0)
+        expected = (inv.amount_for_commission() * commission_rate) / 100.0
+        actual = user_commission.amount
+        self.assertAlmostEqual(actual, expected, int(inv.company_currency_id.rounding))
+
+        # Pay.
+        pay_journal = self.env['account.journal'].search([('type', '=', 'bank')], limit=1)
+        payment = self.env['account.payment'].create({
+            'payment_type': 'inbound',
+            'payment_method_id': self.env.ref('account.account_payment_method_manual_in').id,
+            'partner_type': 'customer',
+            'partner_id': inv.partner_id.id,
+            'amount': inv.amount_residual,
+            'currency_id': inv.currency_id.id,
+            'journal_id': pay_journal.id,
+        })
+        payment.post()
+
+        receivable_line = payment.move_line_ids.filtered('credit')
+        inv.js_assign_outstanding_line(receivable_line.id)
+        self.assertEqual(inv.invoice_payment_state, 'paid', 'Invoice is not paid.')
+
+        user_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == emp.id)
+        self.assertEqual(user_commission.state, 'done', 'Commission is not done.')
+        self.assertTrue(user_commission.move_id, 'Commission didn\'t create a journal entry.')
+        inv.company_currency_id.rounding
+
+        # Coach/Admin commissions
+        coach_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == coach.id)
+        self.assertEqual(len(coach_commission), 1, 'Incorrect commission count %d (expect 1)' % len(coach_commission))
+
+        commission_rate = coach_contract.admin_commission_rate
+        expected = (inv.amount_for_commission() * commission_rate) / 100.0
+        actual = coach_commission.amount
+        self.assertAlmostEqual(
+            actual,
+            expected,
+            int(inv.company_currency_id.rounding))
+
+        # Use the "Mark Paid" button
+        result_action = user_commission.action_mark_paid()
+        self.assertEqual(user_commission.state, 'paid')
+        self.assertTrue(user_commission.payment_id)
+
+    def test_commission_on_invoice(self):
+        # Set to be On Invoice instead of On Invoice Paid
+        self.env.user.company_id.commission_type = 'on_invoice'
+
+        # find and configure company commissions journal
+        commission_journal = self.env['account.journal'].search([('type', '=', 'general')], limit=1)
+        self.assertTrue(commission_journal)
+        expense_account = self.env.ref('l10n_generic_coa.1_expense')
+        commission_journal.default_debit_account_id = expense_account
+        commission_journal.default_credit_account_id = expense_account
+        self.env.user.company_id.commission_journal_id = commission_journal
+
+
+        coach = self._createEmployee(self.browse_ref('base.user_root'))
+        coach_contract = self._createContract(coach, 12.0, admin_commission_rate=2.0)
+        user = self.user
+        emp = self.employee
+        emp.address_home_id = user.partner_id  # Important field for payables.
+        emp.coach_id = coach
+
+        contract = self._createContract(emp, 5.0)
+
+        so = self._createInvoiceableSaleOrder(user)
+        inv = so._create_invoices()
+        self.assertFalse(inv.commission_ids, 'Commissions exist when invoice is created.')
+        inv.action_post()  # validate
+        self.assertEqual(inv.state, 'posted')
+        self.assertTrue(inv.commission_ids, 'Commissions not created when invoice is validated.')
+
+        user_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == emp.id)
+        self.assertEqual(len(user_commission), 1, 'Incorrect commission count %d (expect 1)' % len(user_commission))
+        self.assertEqual(user_commission.state, 'done', 'Commission is not done.')
+        self.assertTrue(user_commission.move_id, 'Commission missing journal entry.')
+
+        # Use the "Mark Paid" button
+        user_commission.action_mark_paid()
+        self.assertEqual(user_commission.state, 'paid')
+
+    def test_commission_structure(self):
+        # Set to be On Invoice instead of On Invoice Paid
+        self.env.user.company_id.commission_type = 'on_invoice'
+
+        # find and configure company commissions journal
+        commission_journal = self.env['account.journal'].search([('type', '=', 'general')], limit=1)
+        self.assertTrue(commission_journal)
+        expense_account = self.env.ref('l10n_generic_coa.1_expense')
+        commission_journal.default_debit_account_id = expense_account
+        commission_journal.default_credit_account_id = expense_account
+        self.env.user.company_id.commission_journal_id = commission_journal
+
+
+        coach = self._createEmployee(self.browse_ref('base.user_root'))
+        coach_contract = self._createContract(coach, 12.0, admin_commission_rate=2.0)
+        user = self.user
+        emp = self.employee
+        emp.address_home_id = user.partner_id  # Important field for payables.
+        emp.coach_id = coach
+
+        contract = self._createContract(emp, 5.0)
+
+        so = self._createInvoiceableSaleOrder(user)
+
+        # Create and set commission structure
+        commission_structure = self.env['hr.commission.structure'].create({
+            'name': 'Test Structure',
+            'line_ids': [
+                (0, 0, {'employee_id': emp.id, 'rate': 13.0}),
+                (0, 0, {'employee_id': coach.id, 'rate': 0.0}),  # This means it will use the coach's contract normal rate
+            ],
+        })
+        so.partner_id.commission_structure_id = commission_structure
+
+        inv = so._create_invoices()
+        self.assertFalse(inv.commission_ids, 'Commissions exist when invoice is created.')
+        inv.action_post()  # validate
+        self.assertEqual(inv.state, 'posted')
+        self.assertTrue(inv.commission_ids, 'Commissions not created when invoice is validated.')
+
+        user_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == emp.id)
+        self.assertEqual(len(user_commission), 1, 'Incorrect commission count %d (expect 1)' % len(user_commission))
+        self.assertEqual(user_commission.state, 'done', 'Commission is not done.')
+        self.assertEqual(user_commission.rate, 13.0)
+
+        coach_commission = inv.commission_ids.filtered(lambda c: c.employee_id.id == coach.id)
+        self.assertEqual(len(coach_commission), 1, 'Incorrect commission count %d (expect 1)' % len(coach_commission))
+        self.assertEqual(coach_commission.state, 'done', 'Commission is not done.')
+        self.assertEqual(coach_commission.rate, 12.0, 'Commission rate should be the contract rate.')
diff --git a/hr_commission/views/account_views.xml b/hr_commission/views/account_views.xml
new file mode 100644
index 00000000..5caf5cd3
--- /dev/null
+++ b/hr_commission/views/account_views.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_move_form_inherit" model="ir.ui.view">
+        <field name="name">account.move.form.inherit</field>
+        <field name="model">account.move</field>
+        <field name="inherit_id" ref="account.view_move_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@name='button_box']" position="inside">
+                <button class="oe_stat_button" name="open_commissions" icon="fa-money" type="object"
+                        attrs="{'invisible': [('commission_count', '=', 0)]}">
+                    <field name="commission_count" string="Commissions" widget="statinfo"/>
+                </button>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>
\ No newline at end of file
diff --git a/hr_commission/views/commission_views.xml b/hr_commission/views/commission_views.xml
new file mode 100644
index 00000000..0e99a965
--- /dev/null
+++ b/hr_commission/views/commission_views.xml
@@ -0,0 +1,264 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_hr_commission_form" model="ir.ui.view">
+        <field name="name">hr.commission.form</field>
+        <field name="model">hr.commission</field>
+        <field name="arch" type="xml">
+            <form string="Commission" class="oe_form_nomargin">
+                <header>
+                    <button name="action_confirm" string="Confirm" class="btn-primary" type="object" attrs="{'invisible': [('state', '!=', 'draft')]}"/>
+                    <button name="action_draft" string="Set Draft" class="btn-default" type="object" attrs="{'invisible': [('state', '!=', 'cancel')]}"/>
+                    <button name="action_mark_paid" string="Mark Paid" class="btn-default" type="object" attrs="{'invisible': [('state', '!=', 'done')]}"/>
+                    <button name="action_cancel" string="Cancel" class="btn-default" type="object" attrs="{'invisible': [('state', '=', 'cancel')]}"/>
+                    <field name="state" widget="statusbar" on_change="1" modifiers="{'readonly': true}"/>
+                </header>
+                <sheet>
+                    <div class="oe_button_box" name="button_box">
+                    </div>
+                    <div class="oe_title">
+                    </div>
+                    <group>
+                        <group>
+                            <field name="employee_id" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="contract_id" domain="[('employee_id', '=', employee_id)]" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="structure_id" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="source_move_id" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="company_id" groups="base.group_multi_company" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="memo" modifiers="{'readonly': [('state', 'not in', ('draft', 'done'))]}"/>
+                        </group>
+                        <group>
+                            <field name="rate_type" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="rate" attrs="{'readonly': [('contract_id', '!=', False), ('rate_type', '!=', 'manual')]}"/>
+                            <field name="base_total" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="base_amount" modifiers="{'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="amount" readonly="1" force_save="1"/>
+                            <field name="move_date" readonly="1" attrs="{'invisible': [('move_date', '=', False)]}"/>
+                            <field name="accounting_date"
+                                   attrs="{'invisible': ['|', ('rate_type', '!=', 'manual'), ('move_date', '!=', False)], 'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="move_id" attrs="{'invisible': [('move_id', '=', False)], 'readonly': [('state', '!=', 'draft')]}"/>
+                            <field name="payment_id" attrs="{'invisible': [('payment_id', '=', False)]}" readonly="1"/>
+                        </group>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_tree" model="ir.ui.view">
+        <field name="name">hr.commission.tree</field>
+        <field name="model">hr.commission</field>
+        <field name="arch" type="xml">
+            <tree decoration-info="state == 'draft'" decoration-muted="state == 'cancel'">
+                <field name="create_date"/>
+                <field name="source_move_id"/>
+                <field name="employee_id"/>
+                <field name="contract_id"/>
+                <field name="base_total" string="Invoice Total" sum="Invoice Total"/>
+                <field name="base_amount" string="Margin" sum="Margin Total"/>
+                <field name="amount" string="Commission" sum="Commission Total"/>
+                <field name="state"/>
+                <field name="move_date"/>
+                <field name="company_id" groups="base.group_multi_company"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_pivot" model="ir.ui.view">
+        <field name="name">hr.commission.pivot</field>
+        <field name="model">hr.commission</field>
+        <field name="arch" type="xml">
+            <pivot string="Commissions">
+                <field name="create_date" type="row" interval="week"/>
+                <field name="state" type="row"/>
+                <field name="employee_id" type="col"/>
+                <field name="amount" type="measure"/>
+            </pivot>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_pivot_graph" model="ir.ui.view">
+        <field name="name">hr.commission.graph</field>
+        <field name="model">hr.commission</field>
+        <field name="arch" type="xml">
+            <graph string="Commissions" stacked="True">
+                <field name="create_date" type="row" interval="week"/>
+                <field name="state" type="row"/>
+                <field name="amount" type="measure"/>
+            </graph>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_search" model="ir.ui.view">
+        <field name="name">hr.commission.search</field>
+        <field name="model">hr.commission</field>
+        <field name="arch" type="xml">
+            <search string="Search Commission">
+                <field name="source_move_id"/>
+                <field name="employee_id"/>
+                <field name="contract_id"/>
+                <separator/>
+                <filter string="New" name="new" domain="[('state', '=', 'draft')]"/>
+                <filter string="Confirmed" name="confirmed" domain="[('state', '=', 'done')]"/>
+                <filter string="Paid" name="paid" domain="[('state', '=', 'paid')]"/>
+                <filter string="Cancelled" name="cancelled" domain="[('state', '=', 'cancel')]"/>
+                <group expand="0" name="group_by" string="Group By">
+                    <filter name="group_state" string="Status" domain="[]" context="{'group_by': 'state'}"/>
+                    <filter name="group_employee" string="Employee" domain="[]" context="{'group_by': 'employee_id'}"/>
+                    <filter name="group_invoice" string="Invoice" domain="[]" context="{'group_by': 'source_move_id'}"/>
+                </group>
+            </search>
+        </field>
+    </record>
+
+    <record id="action_hr_commission" model="ir.actions.act_window">
+        <field name="name">Commissions</field>
+        <field name="res_model">hr.commission</field>
+        <field name="view_mode">tree,form,pivot,graph</field>
+    </record>
+
+    <menuitem
+        action="action_hr_commission"
+        id="menu_action_sales_commission_form"
+        parent="sale.sale_menu_root"
+        sequence="5"
+        />
+
+    <menuitem
+        action="action_hr_commission"
+        id="menu_action_sales_commission_form2"
+        parent="menu_action_sales_commission_form"
+        sequence="5"
+        />
+
+    <menuitem
+        action="action_hr_commission"
+        id="menu_action_account_commission_form"
+        parent="account.menu_finance_entries"
+        sequence="90"
+        />
+
+    <menuitem
+        action="action_hr_commission"
+        id="menu_action_account_commission_form2"
+        parent="menu_action_account_commission_form"
+        sequence="90"
+        />
+
+    <record id="action_commission_mark_paid" model="ir.actions.server">
+        <field name="name">Mark Paid</field>
+        <field name="type">ir.actions.server</field>
+        <field name="state">code</field>
+        <field name="model_id" ref="hr_commission.model_hr_commission"/>
+        <field name="binding_model_id" ref="hr_commission.model_hr_commission"/>
+        <field name="code">
+action = records.action_mark_paid()
+        </field>
+    </record>
+
+    <!-- Commission Payments -->
+    <record id="view_hr_commission_payment_form" model="ir.ui.view">
+        <field name="name">hr.commission.payment.form</field>
+        <field name="model">hr.commission.payment</field>
+        <field name="arch" type="xml">
+            <form string="Commission Payment">
+                <header/>
+                <sheet>
+                    <div class="oe_button_box" name="button_box"/>
+                    <h1><field name="name" placeholder="Commission Payment Description"/></h1>
+                    <group>
+                        <group>
+                            <field name="date"/>
+                            <field name="employee_id" readonly="1"/>
+                            <field name="commission_count"/>
+                            <field name="commission_amount"/>
+                        </group>
+                        <group>
+                            <field name="commission_ids" nolabel="1" readonly="1">
+                                <tree>
+                                    <field name="source_move_id"/>
+                                    <field name="amount"/>
+                                    <field name="move_date"/>
+                                </tree>
+                            </field>
+                        </group>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_payment_tree" model="ir.ui.view">
+        <field name="name">hr.commission.payment.tree</field>
+        <field name="model">hr.commission.payment</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="date"/>
+                <field name="employee_id"/>
+                <field name="name"/>
+                <field name="commission_count" sum="Commission Count Total"/>
+                <field name="commission_amount" sum="Commission Amount Total"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="view_hr_commission_payment_search" model="ir.ui.view">
+        <field name="name">hr.commission.payment.search</field>
+        <field name="model">hr.commission.payment</field>
+        <field name="arch" type="xml">
+            <search string="Search Commission Payment">
+                <field name="employee_id"/>
+                <group expand="0" name="group_by" string="Group By">
+                    <filter name="group_employee" string="Employee" domain="[]" context="{'group_by': 'employee_id'}"/>
+                    <filter name="group_date" string="Date" domain="[]" context="{'group_by': 'date'}"/>
+                </group>
+            </search>
+        </field>
+    </record>
+
+    <record id="action_hr_commission_payment" model="ir.actions.act_window">
+        <field name="name">Commission Payments</field>
+        <field name="res_model">hr.commission.payment</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <menuitem
+        action="action_hr_commission_payment"
+        id="menu_action_sales_commission_payment_form"
+        parent="menu_action_sales_commission_form"
+        sequence="10"
+        />
+
+    <menuitem
+        action="action_hr_commission_payment"
+        id="menu_action_account_commission_payment_form"
+        parent="menu_action_account_commission_form"
+        sequence="100"
+        />
+
+    <!-- Commission Structure -->
+    <record id="view_hr_commission_structure_form" model="ir.ui.view">
+        <field name="name">hr.commission.structure.form</field>
+        <field name="model">hr.commission.structure</field>
+        <field name="arch" type="xml">
+            <form string="Commission Structure" class="oe_form_nomargin">
+                <header/>
+                <sheet>
+                    <div class="oe_button_box" name="button_box"/>
+                    <div class="oe_title">
+                        <field name="name"/>
+                    </div>
+                    <group>
+                        <field name="line_ids" nolabel="1">
+                            <tree editable="bottom">
+                                <field name="structure_id" invisible="1"/>
+                                <field name="employee_id"/>
+                                <field name="rate"/>
+                            </tree>
+                        </field>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>
diff --git a/hr_commission/views/hr_views.xml b/hr_commission/views/hr_views.xml
new file mode 100644
index 00000000..6977afa2
--- /dev/null
+++ b/hr_commission/views/hr_views.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="hr_contract_view_form_inherit" model="ir.ui.view">
+        <field name="name">hr.contract.form.inherit</field>
+        <field name="model">hr.contract</field>
+        <field name="inherit_id" ref="hr_contract.hr_contract_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//group/group" position="inside">
+                <field name="commission_rate"/>
+                <field name="admin_commission_rate"/>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>
\ No newline at end of file
diff --git a/hr_commission/views/partner_views.xml b/hr_commission/views/partner_views.xml
new file mode 100644
index 00000000..23fcc43d
--- /dev/null
+++ b/hr_commission/views/partner_views.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+
+    <record id="res_partner_view_form_inherit" model="ir.ui.view">
+        <field name="name">res.parter.view.form.inherit</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='property_account_payable_id']" position="after">
+                <field name="commission_structure_id"/>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>
\ No newline at end of file
diff --git a/hr_commission/views/res_config_settings_views.xml b/hr_commission/views/res_config_settings_views.xml
new file mode 100644
index 00000000..645c8f06
--- /dev/null
+++ b/hr_commission/views/res_config_settings_views.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="res_config_settings_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.account</field>
+        <field name="model">res.config.settings</field>
+        <field name="priority" eval="50"/>
+        <field name="inherit_id" ref="account.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@id='invoicing_settings']" position="after">
+                <h2>Commissions</h2>
+                <div class="row mt16 o_settings_container" id="commission_settings" groups="account.group_account_user">
+                    <div class="col-xs-12 col-md-6 o_setting_box" title="These taxes are set in any new product created.">
+                        <div class="o_setting_left_pane"/>
+                        <div class="o_setting_right_pane">
+                            <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
+                            <div class="text-muted">
+                                Commission journal default accounts can be thought of as the 'expense' side of the commission. If a Liability account
+                                is not chosen, then the employee's home address partner's Account Payable will be used instead.
+                            </div>
+                            <div class="content-group">
+                                <div class="row mt16">
+                                    <label string="Journal" for="commission_journal_id" class="col-md-3 o_light_label"/>
+                                    <field name="commission_journal_id" domain="[('company_id', '=', company_id)]"/>
+                                </div>
+                                <div class="row">
+                                    <label string="Liability Account" for="commission_liability_id" class="col-md-3 o_light_label"/>
+                                    <field name="commission_liability_id" domain="[('company_id', '=', company_id)]"/>
+                                </div>
+                                <div class="row">
+                                    <label string="Pay Commission" for="commission_type" class="col-md-3 o_light_label"/>
+                                    <field name="commission_type"/>
+                                </div>
+                                <div class="row">
+                                    <label string="Commission Base" for="commission_amount_type" class="col-md-3 o_light_label"/>
+                                    <field name="commission_amount_type"/>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>
\ No newline at end of file