diff --git a/addons/l10n_ec_website_sale/controllers/__init__.py b/addons/l10n_ec_website_sale/controllers/__init__.py
index 80ee4da1c5e..8739d256707 100644
--- a/addons/l10n_ec_website_sale/controllers/__init__.py
+++ b/addons/l10n_ec_website_sale/controllers/__init__.py
@@ -1,3 +1,4 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import main
+from . import portal
diff --git a/addons/l10n_ec_website_sale/controllers/portal.py b/addons/l10n_ec_website_sale/controllers/portal.py
new file mode 100644
index 00000000000..11313c6cb73
--- /dev/null
+++ b/addons/l10n_ec_website_sale/controllers/portal.py
@@ -0,0 +1,43 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo.addons.portal.controllers.portal import CustomerPortal
+from odoo.http import request
+
+
+class CustomerPortalEcuador(CustomerPortal):
+
+    def _is_ecuador_company(self):
+        return request.env.company.country_code == 'EC'
+
+    def _get_mandatory_fields(self):
+        # EXTEND 'portal'
+        mandatory_fields = super()._get_mandatory_fields()
+
+        if self._is_ecuador_company():
+            mandatory_fields.extend(('l10n_latam_identification_type_id', 'vat'))
+
+        return mandatory_fields
+
+    def _prepare_portal_layout_values(self):
+        # EXTEND 'portal'
+        portal_layout_values = super()._prepare_portal_layout_values()
+
+        if self._is_ecuador_company():
+            partner = request.env.user.partner_id
+            portal_layout_values.update({
+                'identification': partner.l10n_latam_identification_type_id,
+                'identification_types': request.env['l10n_latam.identification.type'].search(
+                    ['|', ('country_id', '=', False), ('country_id.code', '=', 'EC')]),
+            })
+
+        return portal_layout_values
+
+    def details_form_validate(self, data, partner_creation=False):
+        # EXTEND 'portal'
+        error, error_message = super().details_form_validate(data, partner_creation)
+
+        # sanitize identification value to make sure it's correctly written on the partner
+        if self._is_ecuador_company() and data.get('l10n_latam_identification_type_id'):
+            data['l10n_latam_identification_type_id'] = int(data['l10n_latam_identification_type_id'])
+
+        return error, error_message
diff --git a/addons/l10n_ec_website_sale/views/website_sales_templates.xml b/addons/l10n_ec_website_sale/views/website_sales_templates.xml
index 6cd854926e0..99807f5e13c 100644
--- a/addons/l10n_ec_website_sale/views/website_sales_templates.xml
+++ b/addons/l10n_ec_website_sale/views/website_sales_templates.xml
@@ -45,4 +45,22 @@
         </label>
     </template>
 
+    <template id="portal_my_details_fields" name="portal_my_details_fields" inherit_id="portal.portal_my_details_fields">
+        <xpath expr="//input[@name='vat']/.." position="before">
+            <t t-if="res_company.country_code == 'EC'">
+                <div class="clearfix"/>
+                <t t-call="l10n_ec_website_sale.partner_info"/>
+            </t>
+        </xpath>
+
+        <label for="vat" position="replace">
+            <t t-if="res_company.country_id.code != 'EC'">$0</t>
+            <t t-else="">
+                <label class="col-form-label label-optional" for="vat">
+                    Identification Number
+                </label>
+            </t>
+        </label>
+    </template>
+
 </odoo>