diff --git a/addons/l10n_ca/__init__.py b/addons/l10n_ca/__init__.py
index 186618bb9c8..29829373b7f 100644
--- a/addons/l10n_ca/__init__.py
+++ b/addons/l10n_ca/__init__.py
@@ -4,6 +4,7 @@
 # Copyright (C) 2010 Savoir-faire Linux (<https://www.savoirfairelinux.com>).
 
 from odoo import api, SUPERUSER_ID
+from . import models
 
 
 def load_translations(cr, registry):
diff --git a/addons/l10n_ca/__manifest__.py b/addons/l10n_ca/__manifest__.py
index c766a07f65d..5b84413dc01 100644
--- a/addons/l10n_ca/__manifest__.py
+++ b/addons/l10n_ca/__manifest__.py
@@ -47,6 +47,8 @@ position.
         'data/fiscal_templates_data.xml',
         'data/account_chart_template_configure_data.xml',
         'data/res_company_data.xml',
+        'views/res_partner_view.xml',
+        'views/report_invoice.xml',
     ],
     'post_init_hook': 'load_translations',
 }
diff --git a/addons/l10n_ca/models/__init__.py b/addons/l10n_ca/models/__init__.py
new file mode 100644
index 00000000000..9ec15f238e2
--- /dev/null
+++ b/addons/l10n_ca/models/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import res_partner
diff --git a/addons/l10n_ca/models/res_partner.py b/addons/l10n_ca/models/res_partner.py
new file mode 100644
index 00000000000..beb1295294b
--- /dev/null
+++ b/addons/l10n_ca/models/res_partner.py
@@ -0,0 +1,8 @@
+# coding: utf-8
+from odoo import api, fields, models, _
+
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    l10n_ca_pst = fields.Char('PST')
diff --git a/addons/l10n_ca/views/report_invoice.xml b/addons/l10n_ca/views/report_invoice.xml
new file mode 100644
index 00000000000..6c79c7aa7d0
--- /dev/null
+++ b/addons/l10n_ca/views/report_invoice.xml
@@ -0,0 +1,9 @@
+<odoo>
+    <template id="l10n_ca_report_invoice_document_inherit" inherit_id="account.report_invoice_document">
+        <div t-if="o.partner_id.vat" position="after">
+            <t t-if="o.company_id.country_id.code == 'CA' and o.partner_id.l10n_ca_pst" class="mt16">
+                <div>PST: <span t-field="o.partner_id.l10n_ca_pst"/></div>
+            </t>
+        </div>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/addons/l10n_ca/views/res_partner_view.xml b/addons/l10n_ca/views/res_partner_view.xml
new file mode 100644
index 00000000000..3d64a4b3129
--- /dev/null
+++ b/addons/l10n_ca/views/res_partner_view.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record id="res_partner_form_inherit_ca" model="ir.ui.view">
+            <field name="name">res.partner.form.inherit.l10n.ca</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='vat']" position="after">
+                    <field name="l10n_ca_pst"/>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file