diff --git a/oslo_policy/policy.py b/oslo_policy/policy.py
index 875727fe..48bc40f1 100644
--- a/oslo_policy/policy.py
+++ b/oslo_policy/policy.py
@@ -1041,6 +1041,8 @@ class Enforcer(object):
         if isinstance(rule, _checks.BaseCheck):
             # If the thing we're given is a Check, we don't know the
             # name of the rule, so pass None for current_rule.
+            if rule.scope_types:
+                self._enforce_scope(creds, rule)
             result = _checks._check(
                 rule=rule,
                 target=target,
diff --git a/oslo_policy/tests/test_policy.py b/oslo_policy/tests/test_policy.py
index f24a02ea..5dcf868a 100644
--- a/oslo_policy/tests/test_policy.py
+++ b/oslo_policy/tests/test_policy.py
@@ -999,6 +999,22 @@ class EnforcerTest(base.PolicyBaseTestCase):
             target_dict, ctx
         )
 
+    def test_enforce_scope_with_subclassed_checks_when_scope_not_set(self):
+        self.conf.set_override('enforce_scope', True, group='oslo_policy')
+        rule = _checks.TrueCheck()
+        rule.scope_types = None
+        ctx = context.RequestContext(system_scope='all', roles=['admin'])
+        self.enforcer.enforce(rule, {}, ctx)
+
+    def test_enforcer_raises_invalid_scope_with_subclassed_checks(self):
+        self.conf.set_override('enforce_scope', True, group='oslo_policy')
+        rule = _checks.TrueCheck()
+        rule.scope_types = ['domain']
+        ctx = context.RequestContext(system_scope='all', roles=['admin'])
+        self.assertRaises(
+            policy.InvalidScope,
+            self.enforcer.enforce, rule, {}, ctx)
+
 
 class EnforcerNoPolicyFileTest(base.PolicyBaseTestCase):
     def setUp(self):
diff --git a/releasenotes/notes/enforce-scope-checks-always-when-rule-has-scope_types-8f983cdf70766e4f.yaml b/releasenotes/notes/enforce-scope-checks-always-when-rule-has-scope_types-8f983cdf70766e4f.yaml
new file mode 100644
index 00000000..d13c523b
--- /dev/null
+++ b/releasenotes/notes/enforce-scope-checks-always-when-rule-has-scope_types-8f983cdf70766e4f.yaml
@@ -0,0 +1,6 @@
+---
+other:
+  - |
+    Scope check is enforced for all rules, registered ones as well as the ones
+    which are subclasses of the ``BaseCheck`` class if rule has ``scope_types``
+    set.