diff --git a/rules.py b/rules.py
index d759be0..5eb2ac0 100755
--- a/rules.py
+++ b/rules.py
@@ -4589,11 +4589,7 @@ def check(self, element):
 
 
 class GovernmentBodyExternalId(base.BaseRule):
-  """Warns if the government body is set using an external identifier instead of the GovernmentBody element.
-
-  This rule will be upgraded to an error once all feeds are migrated to the new
-  schema.
-  """
+  """Errors if the government body is set using an external identifier instead of the GovernmentBody element."""
 
   def elements(self):
     return ["ExternalIdentifiers"]
@@ -4602,7 +4598,7 @@ def check(self, element):
     if get_external_id_values(
         element, "government-body"
     ) or get_external_id_values(element, "governmental-body"):
-      raise loggers.ElectionWarning.from_message(
+      raise loggers.ElectionError.from_message(
           "Specifying government body via external identifiers is deprecated."
           " Please use the top level GovernmentBody element instead."
       )
diff --git a/tests/rules_test.py b/tests/rules_test.py
index 96191ae..8292482 100644
--- a/tests/rules_test.py
+++ b/tests/rules_test.py
@@ -12124,7 +12124,7 @@ def testGovernmentBodyExternalId(self):
       </Office>
       """
 
-    with self.assertRaises(loggers.ElectionWarning) as cm:
+    with self.assertRaises(loggers.ElectionError) as cm:
       self.validator.check(etree.fromstring(government_body_string))
     self.assertEqual(
         cm.exception.log_entry[0].message,
@@ -12145,7 +12145,7 @@ def testGovernmentalBodyExternalId(self):
       </Office>
       """
 
-    with self.assertRaises(loggers.ElectionWarning) as cm:
+    with self.assertRaises(loggers.ElectionError) as cm:
       self.validator.check(etree.fromstring(government_body_string))
     self.assertEqual(
         cm.exception.log_entry[0].message,
diff --git a/version.py b/version.py
index ff53f1a..84e157c 100644
--- a/version.py
+++ b/version.py
@@ -5,4 +5,4 @@
 See https://packaging.python.org/guides/single-sourcing-package-version/
 """
 
-__version__ = '1.56.dev2'
+__version__ = '1.56.dev3'