diff --git a/planetstack/model_policies/model_policy_ControllerSite.py b/planetstack/model_policies/model_policy_ControllerSite.py
new file mode 100644
index 0000000..4b76080
--- /dev/null
+++ b/planetstack/model_policies/model_policy_ControllerSite.py
@@ -0,0 +1,16 @@
+def handle(controller_site):
+    from core.models import ControllerSite, Site
+   
+    try:
+        my_status_code = int(controller_site.backend_status[0])
+        try:
+            his_status_code = int(controller_site.site.backend_status[0])
+        except:
+            his_status_code = 0
+ 
+        if (my_status_code not in [0,his_status_code]):
+            controller_site.site.backend_status = controller_site.backend_status
+            controller_site.site.save(update_fields = ['backend_status'])
+    except Exception,e:
+        print str(e)	
+        pass