diff --git a/golem_resource_holiday/__init__.py b/golem_resource_holiday/__init__.py
new file mode 100644
index 0000000..3c60092
--- /dev/null
+++ b/golem_resource_holiday/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import models
diff --git a/golem_resource_holiday/__manifest__.py b/golem_resource_holiday/__manifest__.py
new file mode 100644
index 0000000..5076c1c
--- /dev/null
+++ b/golem_resource_holiday/__manifest__.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+{
+    'name': 'GOLEM resources holiday',
+    'summary': 'GOLEM resources holiday',
+    'description': ''' GOLEM resources holiday ''',
+    'version': '10.0.0.0.1',
+    'category': 'GOLEM',
+    'author': 'Youssef El Ouahby, Fabien Bourgeois',
+    'license': 'AGPL-3',
+    'application': True,
+    'installable': True,
+    'depends': ['golem_resource'],
+    'data': [
+        #security
+        'security/ir.model.access.csv',
+        #views
+        'views/golem_resource_views.xml',
+        'views/golem_resource_holiday_views.xml',
+        'views/golem_resource_holiday_period_views.xml'
+    ]
+}
diff --git a/golem_resource_holiday/models/__init__.py b/golem_resource_holiday/models/__init__.py
new file mode 100644
index 0000000..be75a73
--- /dev/null
+++ b/golem_resource_holiday/models/__init__.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from . import ( golem_resource_holiday, golem_resource_holiday_period,
+                golem_resource, golem_resource_holiday_period_selection)
diff --git a/golem_resource_holiday/models/golem_resource.py b/golem_resource_holiday/models/golem_resource.py
new file mode 100644
index 0000000..cf9f619
--- /dev/null
+++ b/golem_resource_holiday/models/golem_resource.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resources Adaptations """
+
+from odoo import models, fields
+
+
+class GolemResource(models.Model):
+    """ GOLEM Resource Model """
+    _inherit = 'golem.resource'
+
+    holiday_period_selection = fields.One2many('golem.resource.holiday.period.selection', 'resource_id')
diff --git a/golem_resource_holiday/models/golem_resource_holiday.py b/golem_resource_holiday/models/golem_resource_holiday.py
new file mode 100644
index 0000000..48b7829
--- /dev/null
+++ b/golem_resource_holiday/models/golem_resource_holiday.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource holiday Management"""
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemResourceHoliday(models.Model):
+    """ GOLEM Resource Holiday Management """
+    _name = 'golem.resource.holiday'
+    _description = 'GOLEM Resource Holiday Managementl'
+    _inherit = 'mail.thread'
+    _order = 'name asc'
+
+    name = fields.Char(compute='_compute_name', store=True)
+    period_id = fields.Many2one('golem.resource.holiday.period', string='Holiday period',
+                                ondelete='cascade')
+    date_start = fields.Date('Holiday start')
+    date_end = fields.Date('Holiday end')
+
+    @api.depends('period_id', 'date_start')
+    def _compute_name(self):
+        """ Computes holiday name """
+        for holiday in self:
+            holiday.name = u'{}/{}/{}'.format(holiday.period_id.name,
+                                              holiday.date_start,
+                                              holiday.id)
+
+    @api.constrains('date_start', 'date_end')
+    def _check_date_consistency(self):
+        """ Checks date consistency """
+        for holiday in self:
+            if holiday.date_end <= holiday.date_start:
+                raise ValidationError(_('Date end should be after than '
+                                        'date start'))
diff --git a/golem_resource_holiday/models/golem_resource_holiday_period.py b/golem_resource_holiday/models/golem_resource_holiday_period.py
new file mode 100644
index 0000000..bc9756b
--- /dev/null
+++ b/golem_resource_holiday/models/golem_resource_holiday_period.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource holiday period Management """
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemResourceHolidayPeriod(models.Model):
+    """ GOLEM Resource Holiday Period """
+    _name = 'golem.resource.holiday.period'
+    _description = 'GOLEM Resource Holiday Period Managementl'
+    _inherit = 'mail.thread'
+    _order = 'name asc'
+
+    name = fields.Char(required=True, index=True)
+    active = fields.Boolean(default=True)
diff --git a/golem_resource_holiday/models/golem_resource_holiday_period_selection.py b/golem_resource_holiday/models/golem_resource_holiday_period_selection.py
new file mode 100644
index 0000000..9b2d40a
--- /dev/null
+++ b/golem_resource_holiday/models/golem_resource_holiday_period_selection.py
@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Holiday Period Selection Management """
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemResourceHolidayPeriodSelection(models.Model):
+    """ GOLEM Resource Holiday Period Selection"""
+    _name = 'golem.resource.holiday.period.selection'
+    _description = 'GOLEM Resource Holiday Period Selection Managementl'
+
+    holiday_period_id = fields.Many2one('golem.resource.holiday.period', required=True)
+    resource_id = fields.Many2one('golem.resource', required=True)
+    is_reservation_possible = fields.Boolean()
diff --git a/golem_resource_holiday/security/ir.model.access.csv b/golem_resource_holiday/security/ir.model.access.csv
new file mode 100644
index 0000000..527bca9
--- /dev/null
+++ b/golem_resource_holiday/security/ir.model.access.csv
@@ -0,0 +1,7 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_golem_resource_holiday_user,Access GOLEM Resource Holiday User,model_golem_resource_holiday,golem_base.group_golem_user,1,0,0,0
+access_golem_resource_holiday_period_user,Access GOLEM Resource Holiday Period User,model_golem_resource_holiday_period,golem_base.group_golem_user,1,0,0,0
+access_golem_resource_holiday_period_selection_user,Access GOLEM Resource Holiday Period Selection User,model_golem_resource_holiday_period_selection,golem_base.group_golem_user,1,0,0,0
+access_golem_resource_holiday_manager,Access GOLEM Resource Holiday Manager,model_golem_resource_holiday,golem_base.group_golem_manager,1,1,1,1
+access_golem_resource_holiday_period_manager,Access GOLEM Resource Holiday Period Manager,model_golem_resource_holiday_period,golem_base.group_golem_manager,1,1,1,1
+access_golem_resource_holiday_period_selection_manager,Access GOLEM Resource Holiday Period Selection Manager,model_golem_resource_holiday_period_selection,golem_base.group_golem_manager,1,1,1,1
diff --git a/golem_resource_holiday/views/golem_resource_holiday_period_views.xml b/golem_resource_holiday/views/golem_resource_holiday_period_views.xml
new file mode 100644
index 0000000..237b956
--- /dev/null
+++ b/golem_resource_holiday/views/golem_resource_holiday_period_views.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+
+    <!-- Trees -->
+    <record model="ir.ui.view" id="golem_resource_holiday_period_view_tree">
+      <field name="name">GOLEM Resource Holiday Period Tree</field>
+      <field name="model">golem.resource.holiday.period</field>
+      <field name="arch" type="xml">
+        <tree>
+          <field name="name"/>
+        </tree>
+      </field>
+    </record>
+
+    <!-- Forms -->
+    <record model="ir.ui.view" id="golem_resource_holiday_period_view_form">
+      <field name="name">GOLEM Resource Holiday Period Form</field>
+      <field name="model">golem.resource.holiday.period</field>
+      <field name="arch" type="xml">
+        <form>
+          <sheet>
+            <group>
+              <group>
+                <field name="name"/>
+              </group>
+              <group>
+                <field name="active"/>
+              </group>
+            </group>
+          </sheet>
+          <div class="oe_chatter">
+              <field name="message_follower_ids" widget="mail_followers" />
+              <field name="message_ids" widget="mail_thread" />
+          </div>
+        </form>
+      </field>
+    </record>
+
+    <!-- Searches -->
+    <record model="ir.ui.view" id="golem_resource_holiday_period_view_search">
+      <field name="name">GOLEM Resource Holiday Period search</field>
+      <field name="model">golem.resource.holiday.period</field>
+      <field name="arch" type="xml">
+        <search>
+          <field name="name" />
+        </search>
+      </field>
+    </record>
+
+    <!-- Actions -->
+    <act_window id="golem_resource_holiday_period_action" name="Resource Holiday Period"
+      res_model="golem.resource.holiday.period" view_mode="tree,form" />
+
+    <!-- Menus -->
+    <menuitem id="resource_holiday_period_menu" name="Period"
+      parent="resource_holiday_root_menu"
+      action="golem_resource_holiday_period_action"
+      sequence="20" />
+
+  </data>
+</odoo>
diff --git a/golem_resource_holiday/views/golem_resource_holiday_views.xml b/golem_resource_holiday/views/golem_resource_holiday_views.xml
new file mode 100644
index 0000000..7403e71
--- /dev/null
+++ b/golem_resource_holiday/views/golem_resource_holiday_views.xml
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+
+    <!-- Trees -->
+    <record model="ir.ui.view" id="golem_resource_holiday_view_tree">
+      <field name="name">GOLEM Resource Holiday Tree</field>
+      <field name="model">golem.resource.holiday</field>
+      <field name="arch" type="xml">
+        <tree>
+          <field name="name"/>
+          <field name="period_id"/>
+          <field name="date_start"/>
+          <field name="date_end"/>
+        </tree>
+      </field>
+    </record>
+
+    <!-- Forms -->
+    <record model="ir.ui.view" id="golem_resource_holiday_view_form">
+      <field name="name">GOLEM Resource Holiday Form</field>
+      <field name="model">golem.resource.holiday</field>
+      <field name="arch" type="xml">
+        <form>
+          <sheet>
+            <group>
+              <group>
+                <field name="period_id"/>
+              </group>
+              <group>
+                <field name="date_start"/>
+                <field name="date_end"/>
+              </group>
+            </group>
+          </sheet>
+          <div class="oe_chatter">
+              <field name="message_follower_ids" widget="mail_followers" />
+              <field name="message_ids" widget="mail_thread" />
+          </div>
+        </form>
+      </field>
+    </record>
+
+    <!-- Searches -->
+    <record model="ir.ui.view" id="golem_resource_holiday_view_search">
+      <field name="name">GOLEM Resource Holiday search</field>
+      <field name="model">golem.resource.holiday</field>
+      <field name="arch" type="xml">
+        <search>
+          <field name="name" />
+          <field name="period_id" />
+          <filter name="group_period" string="Period"
+            context="{'group_by': 'period_id'}"/>
+        </search>
+      </field>
+    </record>
+
+    <!-- Actions -->
+    <act_window id="golem_resource_holiday_action" name="Resource Holiday"
+      res_model="golem.resource.holiday" view_mode="tree,form" />
+
+    <!-- Menus -->
+    <menuitem id="resource_holiday_root_menu" name="Resources Holiday"
+      parent="golem_resource.golem_resource_menu"
+      sequence="50"/>
+    <menuitem id="resource_holiday_menu" name="Holiday"
+      parent="resource_holiday_root_menu"
+      action="golem_resource_holiday_action"
+      sequence="10"/>
+
+  </data>
+</odoo>
diff --git a/golem_resource_holiday/views/golem_resource_views.xml b/golem_resource_holiday/views/golem_resource_views.xml
new file mode 100644
index 0000000..a426014
--- /dev/null
+++ b/golem_resource_holiday/views/golem_resource_views.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2020 Fabien Bourgeois <fabien@yaltik.com>
+Copyright 2020 Youssef El Ouahby <youssef@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+    <!-- Forms -->
+    <record model="ir.ui.view"
+      id="golem_resource_view_form_inherit_golem_resource_holiday">
+      <field name="name"> GOLEM Resource Form inherit GOLEM Resource Holiday</field>
+      <field name="model">golem.resource</field>
+      <field name='inherit_id' ref="golem_resource.golem_resource_view_form"/>
+      <field name="arch" type="xml">
+      <page name="availability" position="after">
+        <page name="holiday_period_selection" string="Holiday Period Selection">
+          <group>
+              <field name="holiday_period_selection" context="{'default_resource_id': active_id}">
+                <tree editable="top">
+                  <field name="resource_id" invisible="1"/>
+                  <field name="holiday_period_id"/>
+                  <field name="is_reservation_possible"/>
+                </tree>
+              </field>
+          </group>
+        </page>
+      </page>
+      </field>
+    </record>
+  </data>
+</odoo>