+When a policy is created, the Policy Agent stores information about it in its internal repository. At regular intervals,
+it then checks with all Near |nbh| RT |nbsp| RICs that this repository is synchronized. If, for some reason, there is an
+inconsistency, the Policy Agent will start a synchronization job and try to inconsistency, the Policy Agent will start a
+synchronization job and try to reset the Near |nbh| RT |nbsp| RIC to its last-known-good status. If this fails, the
+Policy Agent will clear all policies for the specific Near |nbh| RT |nbsp| RIC in the internal repository and set its
+state to *UNKNOWN*. This means that no interaction with the Near |nbh| RT |nbsp| RIC is possible until the Policy Agent
+has been able to contact it again and re-synchronize its state in the repository.
+
+Once a service has created a policy, it is the service's responsibility to maintain its life cycle. When a Near |nbh| RT
+|nbsp| RIC has been restarted, the Policy Agent will try to recreate policies in the Near |nbh| RT |nbsp| RIC according
+to the policies maintained in its local repository.
+This means that the service must delete any policies it has created.
+A policy may be created as a "transient policy", whereby if this policy "disappears" at any stage it will not be
+re-synchronized to the Near |nbh| RT |nbsp| RIC.
+For example, this is useful if the policy should not survive a restart of the Near |nbh| RT |nbsp| RIC.
+A non-transient policy will continue to be maintained in the Near |nbh| RT |nbsp| RIC until it is explicitly deleted
+(or the service that created it fails to update its Keep Alive status).
+
+There are some exceptions where policy instances are not re-synchronized after a Near |nbh| RT |nbsp| RIC restart or
+when some inconsistency is identified:
+
+- The service has registered a "*Keep Alive Interval*", but the service then fails to update its Keep Alive status.
+- The Policy Agent completely fails to synchronize with a Near |nbh| RT |nbsp| RIC, as described above.
+- Policies that are marked as transient policies.