diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index ff4761a848c..20900110fcf 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -310,7 +310,7 @@ class website_sale(http.Controller):
         return values
 
     mandatory_billing_fields = ["name", "phone", "email", "street", "city", "country_id", "zip"]
-    optional_billing_fields = ["street2", "state_id"]
+    optional_billing_fields = ["street2", "state_id", "vat"]
     mandatory_shipping_fields = ["name", "phone", "street", "city", "country_id", "zip"]
     optional_shipping_fields = ["state_id"]
 
diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index 495e540c57a..95eb089a663 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -704,6 +704,11 @@
                       <label class="control-label" for="street2" style="font-weight: normal">Company Name</label>
                       <input type="text" name="street2" class="form-control" t-att-value="checkout.get('street2')"/>
                   </div>
+                  <div class="col-lg-6"> </div>
+                  <div t-attf-class="form-group #{error.get('vat') and 'has-error' or ''} col-lg-6">
+                      <label class="control-label" for="vat" style="font-weight: normal">VAT Number</label>
+                      <input type="text" name="vat" class="form-control" t-att-value="checkout.get('vat')"/>
+                  </div>
                   <div t-attf-class="form-group #{error.get('email') and 'has-error' or ''} col-lg-6">
                       <label class="control-label" for="contact_name">Email</label>
                       <input type="email" name="email" class="form-control" t-att-value="checkout.get('email')"/>