diff --git a/crm_lead_vat/README.rst b/crm_lead_vat/README.rst
new file mode 100644
index 00000000000..d7bc0aae50f
--- /dev/null
+++ b/crm_lead_vat/README.rst
@@ -0,0 +1,110 @@
+============
+VAT in leads
+============
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:fd5d37d78ea01679f05c1a52d1e1720c31e2c941682c529f03be2c21bb0c462f
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fcrm-lightgray.png?logo=github
+    :target: https://github.com/OCA/crm/tree/18.0/crm_lead_vat
+    :alt: OCA/crm
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/crm-18-0/crm-18-0-crm_lead_vat
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/crm&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module was written to extend the functionality of CRM leads to
+support setting the VAT identification number
+(https://en.wikipedia.org/wiki/VAT_identification_number).
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To use this module, you need to:
+
+- Go to *CRM > Leads*.
+- Open a lead.
+- You will see the new field.
+- If you change vat in partner, it change in lead.
+- If you change vat in lead, a warning will show informing you that if
+  you save, vat change in partner.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/crm/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/crm/issues/new?body=module:%20crm_lead_vat%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* Antiun Ingeniería S.L.
+
+Contributors
+------------
+
+- Rafael Blasco <rafaelbn@antiun.com>
+- Jairo Llopis <yajo.sk8@gmail.com>
+- Tharathip Chaweewongphan <tharathipc@ecosoft.co.th>
+- `Tecnativa <https://www.tecnativa.com>`__:
+
+  - Stefan Ungureanu
+
+- Emilio Pascual (`Moduon <https://www.moduon.team/>`__)
+- `APSL <https://apsl.tech>`__:
+
+  - Antoni Marroig
+
+- Heliconia Solutions Pvt. Ltd. <https://www.heliconia.io>
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+.. |maintainer-EmilioPascual| image:: https://github.com/EmilioPascual.png?size=40px
+    :target: https://github.com/EmilioPascual
+    :alt: EmilioPascual
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-EmilioPascual| 
+
+This module is part of the `OCA/crm <https://github.com/OCA/crm/tree/18.0/crm_lead_vat>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/crm_lead_vat/__init__.py b/crm_lead_vat/__init__.py
new file mode 100644
index 00000000000..4b76c7b2d5c
--- /dev/null
+++ b/crm_lead_vat/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import models
diff --git a/crm_lead_vat/__manifest__.py b/crm_lead_vat/__manifest__.py
new file mode 100644
index 00000000000..b358f24e6e9
--- /dev/null
+++ b/crm_lead_vat/__manifest__.py
@@ -0,0 +1,17 @@
+# Copyright 2015 Antiun Ingeniería, S.L.
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+{
+    "name": "VAT in leads",
+    "summary": "Add VAT field to leads",
+    "version": "18.0.1.0.0",
+    "category": "Customer Relationship Management",
+    "website": "https://github.com/OCA/crm",
+    "author": "Antiun Ingeniería S.L., Odoo Community Association (OCA)",
+    "maintainers": ["EmilioPascual"],
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "depends": ["crm"],
+    "data": ["views/crm_lead_views.xml"],
+}
diff --git a/crm_lead_vat/i18n/bg.po b/crm_lead_vat/i18n/bg.po
new file mode 100644
index 00000000000..e2d388df898
--- /dev/null
+++ b/crm_lead_vat/i18n/bg.po
@@ -0,0 +1,47 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-11-02 14:15+0000\n"
+"PO-Revision-Date: 2016-03-10 18:53+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: Bulgarian (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"bg/)\n"
+"Language: bg\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Следа/Възможност"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
diff --git a/crm_lead_vat/i18n/crm_lead_vat.pot b/crm_lead_vat/i18n/crm_lead_vat.pot
new file mode 100644
index 00000000000..55e942d9de6
--- /dev/null
+++ b/crm_lead_vat/i18n/crm_lead_vat.pot
@@ -0,0 +1,43 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* crm_lead_vat
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 17.0\n"
+"Report-Msgid-Bugs-To: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" "
+"title=\"By saving this change, the customer vat number will also be "
+"updated.\" invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid ""
+"Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
diff --git a/crm_lead_vat/i18n/de.po b/crm_lead_vat/i18n/de.po
new file mode 100644
index 00000000000..8d1d23cf338
--- /dev/null
+++ b/crm_lead_vat/i18n/de.po
@@ -0,0 +1,50 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+# Rudolf Schnapka <rs@techno-flex.de>, 2017
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-03-28 02:26+0000\n"
+"PO-Revision-Date: 2017-04-11 14:58+0000\n"
+"Last-Translator: Rudolf Schnapka <rs@techno-flex.de>\n"
+"Language-Team: German (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"de/)\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Lead/Chance"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "USt-ID:"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
+"Steueridentifikationsnummer. Die ersten zwei Zeichen stellen den "
+"Länderschlüssel dar."
diff --git a/crm_lead_vat/i18n/es.po b/crm_lead_vat/i18n/es.po
new file mode 100644
index 00000000000..02c2bde71e7
--- /dev/null
+++ b/crm_lead_vat/i18n/es.po
@@ -0,0 +1,63 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+# Carles Antoli <carlesantoli@hotmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-04-14 03:55+0000\n"
+"PO-Revision-Date: 2024-02-08 20:36+0000\n"
+"Last-Translator: Ivorra78 <informatica@totmaterial.es>\n"
+"Language-Team: Spanish (http://www.transifex.com/oca/OCA-crm-8-0/language/es/"
+")\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Weblate 4.17\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Iniciativa / Oportunidad"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr "IVA del socio se actualizará"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "NIF"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
+"Número de identificación fiscal. Los 2 primeros caracteres son el código del "
+"país."
+
+#~ msgid ""
+#~ "<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" "
+#~ "title=\"By saving this change, the customer vat number will also be "
+#~ "updated.\" attrs=\"{'invisible': [('partner_vat_update', '=', False)]}\"/>"
+#~ msgstr ""
+#~ "<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" "
+#~ "title=\"By saving this change, the customer vat number will also be "
+#~ "updated.\" attrs=\"{'invisible': [('partner_vat_update', '=', False)]}\"/>"
diff --git a/crm_lead_vat/i18n/fr.po b/crm_lead_vat/i18n/fr.po
new file mode 100644
index 00000000000..ed9ad64ec66
--- /dev/null
+++ b/crm_lead_vat/i18n/fr.po
@@ -0,0 +1,50 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-03-10 18:52+0000\n"
+"PO-Revision-Date: 2022-09-15 22:07+0000\n"
+"Last-Translator: Claude R Perrin <claude@perrin.it>\n"
+"Language-Team: French (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"fr/)\n"
+"Language: fr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=n > 1;\n"
+"X-Generator: Weblate 4.3.2\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Piste/Opportunité"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "Num TVA"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
+"Numéro d'identification fiscale ou de TVA. Les 2 premiers caractères sont le "
+"code du pays."
diff --git a/crm_lead_vat/i18n/hr.po b/crm_lead_vat/i18n/hr.po
new file mode 100644
index 00000000000..6d6b5bd652b
--- /dev/null
+++ b/crm_lead_vat/i18n/hr.po
@@ -0,0 +1,49 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+# Ana-Maria Olujić <ana-maria.olujic@slobodni-programi.hr>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-08-15 00:49+0000\n"
+"PO-Revision-Date: 2016-08-19 13:47+0000\n"
+"Last-Translator: Ana-Maria Olujić <ana-maria.olujic@slobodni-programi.hr>\n"
+"Language-Team: Croatian (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"hr/)\n"
+"Language: hr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Potencijalni klijent"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "OIB"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr "OIB. Prva 2 slova su oznaka države."
diff --git a/crm_lead_vat/i18n/it.po b/crm_lead_vat/i18n/it.po
new file mode 100644
index 00000000000..f4a02dbf06b
--- /dev/null
+++ b/crm_lead_vat/i18n/it.po
@@ -0,0 +1,61 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-04-16 11:11+0000\n"
+"PO-Revision-Date: 2024-02-04 11:37+0000\n"
+"Last-Translator: mymage <stefano.consolaro@mymage.it>\n"
+"Language-Team: Italian (http://www.transifex.com/oca/OCA-crm-8-0/language/it/"
+")\n"
+"Language: it\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Weblate 4.17\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"Salvando questa modifica verrà aggiornata anche la partita IVA del cliente."
+"\" invisible=\"partner_vat_update == False\"/>"
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Contatto/Opportunità"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr "La partita IVA del partner verrà aggiornata"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "P. IVA"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr "Partita IVA. I primi 2 caratteri sono il codice nazione."
+
+#~ msgid ""
+#~ "<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" "
+#~ "title=\"By saving this change, the customer vat number will also be "
+#~ "updated.\" attrs=\"{'invisible': [('partner_vat_update', '=', False)]}\"/>"
+#~ msgstr ""
+#~ "<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" "
+#~ "title=\"Salvando questa modifica verrà aggiornata anche la partita IVA "
+#~ "del cliente.\" attrs=\"{'invisible': [('partner_vat_update', '=', "
+#~ "False)]}\"/>"
diff --git a/crm_lead_vat/i18n/pt_BR.po b/crm_lead_vat/i18n/pt_BR.po
new file mode 100644
index 00000000000..d2dfbd0d4d0
--- /dev/null
+++ b/crm_lead_vat/i18n/pt_BR.po
@@ -0,0 +1,54 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-03-26 09:38+0000\n"
+"PO-Revision-Date: 2024-07-06 20:58+0000\n"
+"Last-Translator: Rodrigo Sottomaior Macedo "
+"<sottomaiormacedotec@sottomaiormacedo.tech>\n"
+"Language-Team: Portuguese (Brazil) (http://www.transifex.com/oca/OCA-crm-8-0/"
+"language/pt_BR/)\n"
+"Language: pt_BR\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=2; plural=n > 1;\n"
+"X-Generator: Weblate 5.6.2\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"Ao salvar esta alteração, o número de IVA do cliente também será "
+"atualizado.\" invisible=\"partner_vat_update == Falso\"/>"
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Prospector/Oportunidade"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr "O IVA do parceiro será atualizado"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "TIN"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
+"Número de identificação fiscal. Os 2 primeiros caracteres são o código do "
+"país."
diff --git a/crm_lead_vat/i18n/sk.po b/crm_lead_vat/i18n/sk.po
new file mode 100644
index 00000000000..0c19c0a6108
--- /dev/null
+++ b/crm_lead_vat/i18n/sk.po
@@ -0,0 +1,47 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-12-17 01:26+0000\n"
+"PO-Revision-Date: 2016-03-10 18:53+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: Slovak (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"sk/)\n"
+"Language: sk\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Iniciatíva/Príležitosť"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
diff --git a/crm_lead_vat/i18n/sl.po b/crm_lead_vat/i18n/sl.po
new file mode 100644
index 00000000000..f193289560a
--- /dev/null
+++ b/crm_lead_vat/i18n/sl.po
@@ -0,0 +1,49 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+# Matjaž Mozetič <m.mozetic@matmoz.si>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-03-10 18:52+0000\n"
+"PO-Revision-Date: 2016-03-11 10:47+0000\n"
+"Last-Translator: Matjaž Mozetič <m.mozetic@matmoz.si>\n"
+"Language-Team: Slovenian (http://www.transifex.com/oca/OCA-crm-8-0/language/"
+"sl/)\n"
+"Language: sl\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n"
+"%100==4 ? 2 : 3);\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "Indic/priložnost"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr "ID za DDV"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr "Davčna identifikacijska številka. Prva 2 znaka sta črki kode države."
diff --git a/crm_lead_vat/i18n/zh_CN.po b/crm_lead_vat/i18n/zh_CN.po
new file mode 100644
index 00000000000..5d6eece0c5c
--- /dev/null
+++ b/crm_lead_vat/i18n/zh_CN.po
@@ -0,0 +1,47 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# * crm_lead_vat
+#
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: crm (8.0)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-02-25 01:51+0000\n"
+"PO-Revision-Date: 2016-03-10 18:53+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/oca/OCA-crm-8-0/"
+"language/zh_CN/)\n"
+"Language: zh_CN\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#. module: crm_lead_vat
+#: model_terms:ir.ui.view,arch_db:crm_lead_vat.crm_lead_view_form
+msgid ""
+"<span class=\"fa fa-exclamation-triangle text-warning oe_edit_only\" title="
+"\"By saving this change, the customer vat number will also be updated.\" "
+"invisible=\"partner_vat_update == False\"/>"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model,name:crm_lead_vat.model_crm_lead
+msgid "Lead/Opportunity"
+msgstr "线索/商机"
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__partner_vat_update
+msgid "Partner VAT will Update"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,field_description:crm_lead_vat.field_crm_lead__vat
+msgid "TIN"
+msgstr ""
+
+#. module: crm_lead_vat
+#: model:ir.model.fields,help:crm_lead_vat.field_crm_lead__vat
+msgid "Tax Identification Number. The first 2 characters are the country code."
+msgstr ""
diff --git a/crm_lead_vat/models/__init__.py b/crm_lead_vat/models/__init__.py
new file mode 100644
index 00000000000..f11a18fc4e9
--- /dev/null
+++ b/crm_lead_vat/models/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import crm_lead
diff --git a/crm_lead_vat/models/crm_lead.py b/crm_lead_vat/models/crm_lead.py
new file mode 100644
index 00000000000..468cb20037e
--- /dev/null
+++ b/crm_lead_vat/models/crm_lead.py
@@ -0,0 +1,82 @@
+# Copyright 2015 Antiun Ingeniería, S.L.
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class Lead(models.Model):
+    _inherit = "crm.lead"
+
+    vat = fields.Char(
+        string="TIN",
+        help="Tax Identification Number. The first 2 characters are the "
+        "country code.",
+        compute="_compute_vat",
+        inverse="_inverse_vat",
+        readonly=False,
+        store=True,
+    )
+    partner_vat_update = fields.Boolean(
+        "Partner VAT will Update", compute="_compute_partner_vat_update"
+    )
+
+    @api.depends("partner_id.vat", "partner_id.commercial_partner_id.vat")
+    def _compute_vat(self):
+        for lead in self:
+            if (
+                lead.partner_id.commercial_partner_id.vat
+                and lead._get_partner_vat_update()
+            ):
+                lead.vat = lead.partner_id.commercial_partner_id.vat
+            elif lead.partner_id.vat and lead._get_partner_vat_update():
+                lead.vat = lead.partner_id.vat
+
+    def _inverse_vat(self):
+        for lead in self:
+            if lead._get_partner_vat_update():
+                if lead.partner_id.commercial_partner_id:
+                    lead.partner_id.commercial_partner_id.vat = lead.vat
+                else:
+                    lead.partner_id.vat = lead.vat
+
+    @api.depends("vat", "partner_id")
+    def _compute_partner_vat_update(self):
+        for lead in self:
+            lead.partner_vat_update = lead._get_partner_vat_update()
+
+    def _get_partner_vat_update(self):
+        """Calculate if we should write the vat on the related partner. When
+        the vat of the lead / partner is an empty string, we force it to False
+        to not propagate a False on an empty string.
+
+        Done in a separate method so it can be used in both ribbon and inverse
+        and compute of vat update methods.
+        """
+        self.ensure_one()
+        if (
+            self.partner_id.commercial_partner_id
+            and self.vat != self.partner_id.commercial_partner_id.vat
+        ):
+            return self.vat != self.partner_id.commercial_partner_id.vat
+        elif self.partner_id and self.vat != self.partner_id.vat:
+            return self.vat != self.partner_id.vat
+        return False
+
+    def _prepare_customer_values(self, partner_name, is_company=False, parent_id=False):
+        """Add VAT to partner."""
+        res = super()._prepare_customer_values(partner_name, is_company, parent_id)
+        res.update(
+            {
+                "vat": self.vat,
+            }
+        )
+        return res
+
+    def _prepare_values_from_partner(self, partner):
+        """Recover VAT from partner if available."""
+        result = super()._prepare_values_from_partner(partner)
+        if not partner:
+            return result
+        if partner.vat:
+            result["vat"] = partner.vat
+        return result
diff --git a/crm_lead_vat/pyproject.toml b/crm_lead_vat/pyproject.toml
new file mode 100644
index 00000000000..4231d0cccb3
--- /dev/null
+++ b/crm_lead_vat/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"
diff --git a/crm_lead_vat/readme/CONTRIBUTORS.md b/crm_lead_vat/readme/CONTRIBUTORS.md
new file mode 100644
index 00000000000..a47a85ae4f1
--- /dev/null
+++ b/crm_lead_vat/readme/CONTRIBUTORS.md
@@ -0,0 +1,9 @@
+- Rafael Blasco \<<rafaelbn@antiun.com>\>
+- Jairo Llopis \<<yajo.sk8@gmail.com>\>
+- Tharathip Chaweewongphan \<<tharathipc@ecosoft.co.th>\>
+- [Tecnativa](https://www.tecnativa.com):
+  - Stefan Ungureanu
+- Emilio Pascual ([Moduon](https://www.moduon.team/))
+- [APSL](https://apsl.tech):
+  - Antoni Marroig
+- Heliconia Solutions Pvt. Ltd. \<<https://www.heliconia.io>\>
diff --git a/crm_lead_vat/readme/DESCRIPTION.md b/crm_lead_vat/readme/DESCRIPTION.md
new file mode 100644
index 00000000000..817bbe8fb5d
--- /dev/null
+++ b/crm_lead_vat/readme/DESCRIPTION.md
@@ -0,0 +1,3 @@
+This module was written to extend the functionality of CRM leads to
+support setting the VAT identification number
+(<https://en.wikipedia.org/wiki/VAT_identification_number>).
diff --git a/crm_lead_vat/readme/USAGE.md b/crm_lead_vat/readme/USAGE.md
new file mode 100644
index 00000000000..ccd9713f642
--- /dev/null
+++ b/crm_lead_vat/readme/USAGE.md
@@ -0,0 +1,8 @@
+To use this module, you need to:
+
+- Go to *CRM \> Leads*.
+- Open a lead.
+- You will see the new field.
+- If you change vat in partner, it change in lead.
+- If you change vat in lead, a warning will show informing you that if
+  you save, vat change in partner.
diff --git a/crm_lead_vat/static/description/icon.png b/crm_lead_vat/static/description/icon.png
new file mode 100644
index 00000000000..3a0328b516c
Binary files /dev/null and b/crm_lead_vat/static/description/icon.png differ
diff --git a/crm_lead_vat/static/description/index.html b/crm_lead_vat/static/description/index.html
new file mode 100644
index 00000000000..8adf60fc75f
--- /dev/null
+++ b/crm_lead_vat/static/description/index.html
@@ -0,0 +1,452 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="generator" content="Docutils: https://docutils.sourceforge.io/" />
+<title>VAT in leads</title>
+<style type="text/css">
+
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+</head>
+<body>
+<div class="document" id="vat-in-leads">
+<h1 class="title">VAT in leads</h1>
+
+<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! This file is generated by oca-gen-addon-readme !!
+!! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! source digest: sha256:fd5d37d78ea01679f05c1a52d1e1720c31e2c941682c529f03be2c21bb0c462f
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/crm/tree/18.0/crm_lead_vat"><img alt="OCA/crm" src="https://img.shields.io/badge/github-OCA%2Fcrm-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/crm-18-0/crm-18-0-crm_lead_vat"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/crm&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p>This module was written to extend the functionality of CRM leads to
+support setting the VAT identification number
+(<a class="reference external" href="https://en.wikipedia.org/wiki/VAT_identification_number">https://en.wikipedia.org/wiki/VAT_identification_number</a>).</p>
+<p><strong>Table of contents</strong></p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#usage" id="toc-entry-1">Usage</a></li>
+<li><a class="reference internal" href="#bug-tracker" id="toc-entry-2">Bug Tracker</a></li>
+<li><a class="reference internal" href="#credits" id="toc-entry-3">Credits</a><ul>
+<li><a class="reference internal" href="#authors" id="toc-entry-4">Authors</a></li>
+<li><a class="reference internal" href="#contributors" id="toc-entry-5">Contributors</a></li>
+<li><a class="reference internal" href="#maintainers" id="toc-entry-6">Maintainers</a></li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="usage">
+<h1><a class="toc-backref" href="#toc-entry-1">Usage</a></h1>
+<p>To use this module, you need to:</p>
+<ul class="simple">
+<li>Go to <em>CRM &gt; Leads</em>.</li>
+<li>Open a lead.</li>
+<li>You will see the new field.</li>
+<li>If you change vat in partner, it change in lead.</li>
+<li>If you change vat in lead, a warning will show informing you that if
+you save, vat change in partner.</li>
+</ul>
+</div>
+<div class="section" id="bug-tracker">
+<h1><a class="toc-backref" href="#toc-entry-2">Bug Tracker</a></h1>
+<p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/crm/issues">GitHub Issues</a>.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+<a class="reference external" href="https://github.com/OCA/crm/issues/new?body=module:%20crm_lead_vat%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<p>Do not contact contributors directly about support or help with technical issues.</p>
+</div>
+<div class="section" id="credits">
+<h1><a class="toc-backref" href="#toc-entry-3">Credits</a></h1>
+<div class="section" id="authors">
+<h2><a class="toc-backref" href="#toc-entry-4">Authors</a></h2>
+<ul class="simple">
+<li>Antiun Ingeniería S.L.</li>
+</ul>
+</div>
+<div class="section" id="contributors">
+<h2><a class="toc-backref" href="#toc-entry-5">Contributors</a></h2>
+<ul class="simple">
+<li>Rafael Blasco &lt;<a class="reference external" href="mailto:rafaelbn&#64;antiun.com">rafaelbn&#64;antiun.com</a>&gt;</li>
+<li>Jairo Llopis &lt;<a class="reference external" href="mailto:yajo.sk8&#64;gmail.com">yajo.sk8&#64;gmail.com</a>&gt;</li>
+<li>Tharathip Chaweewongphan &lt;<a class="reference external" href="mailto:tharathipc&#64;ecosoft.co.th">tharathipc&#64;ecosoft.co.th</a>&gt;</li>
+<li><a class="reference external" href="https://www.tecnativa.com">Tecnativa</a>:<ul>
+<li>Stefan Ungureanu</li>
+</ul>
+</li>
+<li>Emilio Pascual (<a class="reference external" href="https://www.moduon.team/">Moduon</a>)</li>
+<li><a class="reference external" href="https://apsl.tech">APSL</a>:<ul>
+<li>Antoni Marroig</li>
+</ul>
+</li>
+<li>Heliconia Solutions Pvt. Ltd. &lt;<a class="reference external" href="https://www.heliconia.io">https://www.heliconia.io</a>&gt;</li>
+</ul>
+</div>
+<div class="section" id="maintainers">
+<h2><a class="toc-backref" href="#toc-entry-6">Maintainers</a></h2>
+<p>This module is maintained by the OCA.</p>
+<a class="reference external image-reference" href="https://odoo-community.org">
+<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
+</a>
+<p>OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.</p>
+<p>Current <a class="reference external" href="https://odoo-community.org/page/maintainer-role">maintainer</a>:</p>
+<p><a class="reference external image-reference" href="https://github.com/EmilioPascual"><img alt="EmilioPascual" src="https://github.com/EmilioPascual.png?size=40px" /></a></p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/crm/tree/18.0/crm_lead_vat">OCA/crm</a> project on GitHub.</p>
+<p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
+</div>
+</div>
+</div>
+</body>
+</html>
diff --git a/crm_lead_vat/tests/__init__.py b/crm_lead_vat/tests/__init__.py
new file mode 100644
index 00000000000..c6e811f5206
--- /dev/null
+++ b/crm_lead_vat/tests/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import test_lead
diff --git a/crm_lead_vat/tests/test_lead.py b/crm_lead_vat/tests/test_lead.py
new file mode 100644
index 00000000000..00de91a885f
--- /dev/null
+++ b/crm_lead_vat/tests/test_lead.py
@@ -0,0 +1,39 @@
+# Copyright 2015 Antiun Ingeniería, S.L.
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo.tests.common import TransactionCase
+
+
+class LeadCase(TransactionCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.lead = cls.env["crm.lead"].create(
+            [{"name": __file__, "partner_name": "HÎ"}]
+        )
+        cls.partner = cls.env["res.partner"].create([{"name": __file__}])
+        cls.test_field = "ES98765432M"
+        cls.test2_field = "11111111H"
+
+    def test_transfered_values(self):
+        """Field gets transfered when creating partner."""
+        self.lead.vat = self.test_field
+        self.lead._handle_partner_assignment()
+        self.assertEqual(self.lead.partner_id.vat, self.test_field)
+
+    def test_onchange_partner_id(self):
+        """Lead gets VAT from partner when linked to it."""
+        self.partner.vat = self.test_field
+        result = self.lead._prepare_values_from_partner(self.lead.partner_id)
+        self.assertNotIn("vat", result)
+        self.lead.partner_id = self.partner
+        result = self.lead._prepare_values_from_partner(self.lead.partner_id)
+        self.assertEqual(result["vat"], self.test_field)
+
+    def test_onchange_vat(self):
+        """First change vat in partner, after it change in lead"""
+        self.lead.partner_id = self.partner
+        self.partner.vat = self.test_field
+        self.assertEqual(self.partner.vat, self.lead.vat)
+        self.lead.vat = self.test2_field
+        self.assertEqual(self.partner.vat, self.lead.vat)
diff --git a/crm_lead_vat/views/crm_lead_views.xml b/crm_lead_vat/views/crm_lead_views.xml
new file mode 100644
index 00000000000..a80a5b96397
--- /dev/null
+++ b/crm_lead_vat/views/crm_lead_views.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="crm_lead_view_form" model="ir.ui.view">
+        <field name="model">crm.lead</field>
+        <field name="inherit_id" ref="crm.crm_lead_view_form" />
+        <field name="arch" type="xml">
+            <xpath
+                expr="//group/group[@name='lead_partner']/field[@name='partner_id']"
+                position="after"
+            >
+                <label for="vat" class="oe_inline" />
+                <div class="o_row o_row_readonly">
+                    <field name="partner_vat_update" invisible="1" />
+                    <field name="vat" />
+                    <span
+                        class="fa fa-exclamation-triangle text-warning oe_edit_only"
+                        title="By saving this change, the customer vat number will also be updated."
+                        invisible="partner_vat_update == False"
+                    />
+                </div>
+            </xpath>
+            <xpath
+                expr="//group/group[@name='opportunity_partner']/field[@name='partner_id']"
+                position="after"
+            >
+                <label for="vat" class="oe_inline" />
+                <div class="o_row o_row_readonly">
+                    <field name="partner_vat_update" invisible="1" />
+                    <field name="vat" />
+                    <span
+                        class="fa fa-exclamation-triangle text-warning oe_edit_only"
+                        title="By saving this change, the customer vat number will also be updated."
+                        invisible="partner_vat_update == False"
+                    />
+                </div>
+            </xpath>
+        </field>
+    </record>
+</odoo>