diff --git a/blueprints/python/api-gateway-authorizer-python.py b/blueprints/python/api-gateway-authorizer-python.py
index 1d79c32..1df870b 100644
--- a/blueprints/python/api-gateway-authorizer-python.py
+++ b/blueprints/python/api-gateway-authorizer-python.py
@@ -133,7 +133,17 @@ def _addMethod(self, effect, verb, resource, conditions):
         if resource[:1] == "/":
             resource = resource[1:]
 
-        resourceArn = ("arn:aws:execute-api:" +
+        """Added check for cn region in ARN and build the resourceARN accordingly."""
+        if re.search("cn", self.region):
+            resourceArn = ("arn:aws-cn:execute-api:" +
+            self.region + ":" +
+            self.awsAccountId + ":" +
+            self.restApiId + "/" +
+            self.stage + "/" +
+            verb + "/" +
+            resource)
+        else:
+            resourceArn = ("arn:aws:execute-api:" +
             self.region + ":" +
             self.awsAccountId + ":" +
             self.restApiId + "/" +