(3) Any letter of explanation or rejection of any element of a claim shall contain the identity and claims processing address of the insurer, the insured's policy number, the claim number and the following statement, prominently set forth:
"Should you wish to take this matter up with the New York State Department of Financial Services, you may file a complaint with the department either on its website at or by writing to the Consumer Assistance Unit, New York State Department of Financial Services, at: One State Street, New York, NY 10004; One Commerce Plaza, Albany, NY 12257; 1399 Franklin Avenue, Garden City, NY 11530; or 535 Washington Street, Suite 305, Buffalo, NY 14203 ."