N.Y. Comp. Codes R. & Regs. tit. 14, § 635-11.4
(c) If a party specified in subdivisions (a) or (b) of this section who would otherwise enroll the person or act in the FIDA-IDD review process is unwilling or unavailable, then any of the following parties, in the order stated, may enroll the person, act in the FIDA-IDD review process or appoint another party to act in the FIDA-IDD review process:
(f) If the CEO enrolls the person in the FIDA-IDD plan or acts in the FIDA-IDD review process, he or she shall give written notice of such enrollment and/or action to: