If my screening efforts uncover a policyholder who became a Specially Designated National after policy issuance, can I notify the policyholder that the policy is "blocked"? (version of 2023-03-22)

Question: If my screening efforts uncover a policyholder who became a Specially Designated National after policy issuance, can I notify the policyholder that the policy is "blocked"? Answer: Yes, the insurer may notify the policyholder that the policy is blocked, without obtaining a specific license from OFAC.