§ 303. Orders of superintendent; when writing required. Whenever by any provision of this chapter, the insurance law, the banking law or any other applicable law the superintendent is authorized to grant any approval, authorization or permission or to make any other order or determination affecting any person subject to the provisions of this chapter, the insurance law, the banking law or any other law, such order or determination shall not be effective unless made in writing and signed by the superintendent or by the superintendent's authority.