diff --git a/quantum/api/v2/attributes.py b/quantum/api/v2/attributes.py
index 20ddd66c33..8a527665c2 100644
--- a/quantum/api/v2/attributes.py
+++ b/quantum/api/v2/attributes.py
@@ -185,6 +185,7 @@ RESOURCE_ATTRIBUTE_MAP = {
         'name': {'allow_post': True, 'allow_put': True, 'default': '',
                  'is_visible': True},
         'network_id': {'allow_post': True, 'allow_put': False,
+                       'required_by_policy': True,
                        'validate': {'type:regex': UUID_PATTERN},
                        'is_visible': True},
         'admin_state_up': {'allow_post': True, 'allow_put': True,
@@ -228,6 +229,7 @@ RESOURCE_ATTRIBUTE_MAP = {
                        'validate': {'type:values': [4, 6]},
                        'is_visible': True},
         'network_id': {'allow_post': True, 'allow_put': False,
+                       'required_by_policy': True,
                        'validate': {'type:regex': UUID_PATTERN},
                        'is_visible': True},
         'cidr': {'allow_post': True, 'allow_put': False,