diff --git a/coopiteasy_subscription/__init__.py b/coopiteasy_subscription/__init__.py
new file mode 100644
index 00000000..0650744f
--- /dev/null
+++ b/coopiteasy_subscription/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/coopiteasy_subscription/__manifest__.py b/coopiteasy_subscription/__manifest__.py
new file mode 100644
index 00000000..a15a1e85
--- /dev/null
+++ b/coopiteasy_subscription/__manifest__.py
@@ -0,0 +1,25 @@
+# Copyright 2019 Coop IT Easy SCRL fs
+#   Robin Keunen <robin@coopiteasy.be>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+
+{
+    "name": "Coop IT Easy Subscriptions",
+    "version": "12.0.1.0.0",
+    "author": "Coop IT Easy SC",
+    "license": "AGPL-3",
+    "category": "Contract Management",
+    "website": "https://coopiteasy.be",
+    "summary": """
+        Configure included support hours, compute quarter support time and invoice overshoot.
+    """,
+    "depends": [
+        "contract",
+        "project",
+    ],
+    "data": [
+        "views/contract_views.xml",
+        "views/product_template_views.xml",
+    ],
+    "installable": True,
+}
diff --git a/coopiteasy_subscription/models/__init__.py b/coopiteasy_subscription/models/__init__.py
new file mode 100644
index 00000000..bccbf864
--- /dev/null
+++ b/coopiteasy_subscription/models/__init__.py
@@ -0,0 +1,2 @@
+from . import contract_line
+from . import product_template
diff --git a/coopiteasy_subscription/models/contract_line.py b/coopiteasy_subscription/models/contract_line.py
new file mode 100644
index 00000000..2cef6906
--- /dev/null
+++ b/coopiteasy_subscription/models/contract_line.py
@@ -0,0 +1,25 @@
+# Copyright 2023 Coop IT Easy SC
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class Contract(models.Model):
+    _inherit = "contract.contract"
+    support_line_ids = fields.One2many(
+        comodel_name="contract.line",
+        related="contract_line_ids",
+    )  # fixme can't modify the line because it's a related fields => need to be able to edit project _id
+
+
+class ContractLine(models.Model):
+    _inherit = "contract.line"
+
+    project_id = fields.Many2one(
+        string="Project",
+        comodel_name="project.project",
+    )
+    is_support_line = fields.Boolean(
+        related="product_id.is_support_product",
+    )
+    nb_included_hours = fields.Float(related="product_id.nb_included_hours")
diff --git a/coopiteasy_subscription/models/product_template.py b/coopiteasy_subscription/models/product_template.py
new file mode 100644
index 00000000..199b5601
--- /dev/null
+++ b/coopiteasy_subscription/models/product_template.py
@@ -0,0 +1,14 @@
+# Copyright 2023 Coop IT Easy SC
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    is_support_product = fields.Boolean()
+    nb_included_hours = fields.Float(
+        string="Number of included hours",
+        default=0,
+    )
diff --git a/coopiteasy_subscription/readme/CONTRIBUTORS.rst b/coopiteasy_subscription/readme/CONTRIBUTORS.rst
new file mode 100644
index 00000000..e69de29b
diff --git a/coopiteasy_subscription/readme/DESCRIPTION.rst b/coopiteasy_subscription/readme/DESCRIPTION.rst
new file mode 100644
index 00000000..e69de29b
diff --git a/coopiteasy_subscription/views/contract_views.xml b/coopiteasy_subscription/views/contract_views.xml
new file mode 100644
index 00000000..4a066e51
--- /dev/null
+++ b/coopiteasy_subscription/views/contract_views.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+<!--        <record id="contract_line_form_view" model="ir.ui.view">-->
+<!--            <field name="name">contract.line form view (in contract)</field>-->
+<!--            <field name="model">contract.line</field>-->
+<!--            <field name="inherit_id" ref="contract.contract_line_form_view"/>-->
+<!--            <field name="arch" type="xml">-->
+<!--                <field name="product_id" position="after">-->
+<!--                    <field name="is_support_line"/>-->
+<!--                    <field name="nb_included_hours"/>-->
+<!--                </field>-->
+<!--            </field>-->
+<!--        </record>-->
+
+        <record id="contract_contract_form_view" model="ir.ui.view">
+            <field name="name">contract.contract.form.view</field>
+            <field name="model">contract.contract</field>
+            <field name="inherit_id" ref="contract.contract_contract_form_view"/>
+            <field name="arch" type="xml">
+                <page name="recurring_invoice_line" position="after">
+                    <page name="support_line" string="Support Invoicing">
+                        <field name="support_line_ids"
+                               attrs="{'readonly': [('is_terminated','=',True)]}"
+                        >
+                            <!--                               domain="[('is_support_line', '=', True')]"-->
+                            <tree create="false" delete="false">
+                                <field name="product_id"/>
+                                <field name="is_support_line"/>
+                                <field name="nb_included_hours"/>
+                                <field name="project_id"/>
+                            </tree>
+                        </field>
+                        <!--                               domain="[(product_id.is_support_product, '=', True)]"-->
+                    </page>
+                </page>
+            </field>
+        </record>
+
+    </data>
+</odoo>
diff --git a/coopiteasy_subscription/views/product_template_views.xml b/coopiteasy_subscription/views/product_template_views.xml
new file mode 100644
index 00000000..014cd7e8
--- /dev/null
+++ b/coopiteasy_subscription/views/product_template_views.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+
+     <record model="ir.ui.view" id="product_template_form_view">
+            <field name="name">product.template.form.view</field>
+            <field name="model">product.template</field>
+            <field name="inherit_id" ref="product.product_template_form_view"/>
+            <field name="arch" type="xml">
+                <xpath expr="//group[@name='email_template_and_project']" position="before">
+                    <group string="Subscription" name="subscription" attrs="{'invisible': [('type', '!=', 'service')]}">
+                        <field name="is_support_product" />
+                        <field name="nb_included_hours" attrs="{'invisible': [('is_support_product', '=', False)]}"/>
+                    </group>
+                </xpath>
+            </field>
+        </record>
+
+
+    </data>
+</odoo>