Added timestamp to support model policy scheduling
diff --git a/planetstack/core/models/plcorebase.py b/planetstack/core/models/plcorebase.py
index e310b5e..76aa7a2 100644
--- a/planetstack/core/models/plcorebase.py
+++ b/planetstack/core/models/plcorebase.py
@@ -158,6 +158,7 @@
     created = models.DateTimeField(auto_now_add=True, default=timezone.now)
     updated = models.DateTimeField(auto_now=True, default=timezone.now)
     enacted = models.DateTimeField(null=True, blank=True, default=None)
+    policed = models.DateTimeField(null=True, blank=True, default=None)
     backend_status = models.CharField(max_length=140,
                                       default="Provisioning in progress")
     deleted = models.BooleanField(default=False)