diff --git a/app/config.py b/app/config.py
index edf1ff18a..895ea82aa 100644
--- a/app/config.py
+++ b/app/config.py
@@ -73,6 +73,7 @@ class Config(object):
         r"naturalengland\.org\.uk",
         r"hmcts\.net",
         r"scotent\.co\.uk",
+        r"assembly\.wales",
     ]
 
 
diff --git a/tests/app/main/test_validators.py b/tests/app/main/test_validators.py
index 1b9979098..dd90b77eb 100644
--- a/tests/app/main/test_validators.py
+++ b/tests/app/main/test_validators.py
@@ -89,6 +89,7 @@ def _gen_mock_field(x):
     'test@naturalengland.org.uk',
     'test@hmcts.net',
     'test@scotent.co.uk',
+    'test@assembly.wales',
 ])
 def test_valid_list_of_white_list_email_domains(
     client,