diff --git a/partner_fax/__init__.py b/partner_fax/__init__.py
new file mode 100644
index 000000000..66aa588e8
--- /dev/null
+++ b/partner_fax/__init__.py
@@ -0,0 +1,4 @@
+# © 2018 Apruzzese Francesco <f.apruzzese@apuliasoftware.it>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import models
diff --git a/partner_fax/__manifest__.py b/partner_fax/__manifest__.py
new file mode 100644
index 000000000..fbc5a2301
--- /dev/null
+++ b/partner_fax/__manifest__.py
@@ -0,0 +1,20 @@
+# © 2018 Apruzzese Francesco <f.apruzzese@apuliasoftware.it>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    'name': 'Partner fax',
+    'category': 'Extra Tools',
+    'summary': 'Add fax number on partner',
+    'version': '11.0.1.0.0',
+    'license': 'AGPL-3',
+    'author': 'Francesco Apruzzese, '
+              'Odoo Community Association (OCA)',
+    'website': 'https://odoo-community.org/',
+    'depends': [
+        'base_setup'
+        ],
+    'data': [
+        'views/res_partner.xml',
+        ],
+    'installable': True,
+}
diff --git a/partner_fax/models/__init__.py b/partner_fax/models/__init__.py
new file mode 100644
index 000000000..a50cd1ea6
--- /dev/null
+++ b/partner_fax/models/__init__.py
@@ -0,0 +1,4 @@
+# © 2018 Apruzzese Francesco <f.apruzzese@apuliasoftware.it>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import res_partner
diff --git a/partner_fax/models/res_partner.py b/partner_fax/models/res_partner.py
new file mode 100644
index 000000000..3072830e5
--- /dev/null
+++ b/partner_fax/models/res_partner.py
@@ -0,0 +1,11 @@
+# © 2018 Apruzzese Francesco <f.apruzzese@apuliasoftware.it>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class ResPartner(models.Model):
+
+    _inherit = 'res.partner'
+
+    fax = fields.Char()
diff --git a/partner_fax/static/description/icon.png b/partner_fax/static/description/icon.png
new file mode 100644
index 000000000..3a0328b51
Binary files /dev/null and b/partner_fax/static/description/icon.png differ
diff --git a/partner_fax/views/res_partner.xml b/partner_fax/views/res_partner.xml
new file mode 100644
index 000000000..4a2a64b4e
--- /dev/null
+++ b/partner_fax/views/res_partner.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_partner_simple_form_fax" model="ir.ui.view">
+        <field name="name">Add fax on partner</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_simple_form"/>
+        <field name="arch" type="xml">
+            <data>
+                <xpath expr="//field[@name='function']" position="after">
+                    <field name="fax"/>
+                </xpath>
+            </data>
+        </field>
+    </record>
+
+    <record id="view_partner_short_form_fax" model="ir.ui.view">
+        <field name="name">Add fax on partner</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_short_form"/>
+        <field name="arch" type="xml">
+            <data>
+                <xpath expr="//field[@name='function']" position="after">
+                    <field name="fax" widget="phone"/>
+                </xpath>
+            </data>
+        </field>
+    </record>
+
+    <record id="view_partner_form_fax" model="ir.ui.view">
+        <field name="name">Add fax on partner</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_form"/>
+        <field name="arch" type="xml">
+            <data>
+                <xpath expr="//field[@name='function']" position="after">
+                    <field name="fax" widget="phone"/>
+                </xpath>
+            </data>
+        </field>
+    </record>
+
+</odoo>