(a) in writing;

(b) signed by the chief executive officer or chief fiscal officer of the issuer or such other officer of the issuer as may be authorized by statute, resolution, ordinance, charter, by-laws or other delegation acceptable to the State Comptroller to execute such documents; and

(c) sent by registered or certified mail, return receipt requested or delivered by hand or by a courier service, in either case, return receipt requested or sent by facsimile transmission followed by confirmation of receipt.