N.Y. Comp. Codes R. & Regs. tit. 10, § 732-2.7
(a) No PPO shall voluntarily discontinue operation unless at least 90 days written notice of its intention to do so is sent to each participating carrier or self-insured employer, the commissioner and the chair. Such entities shall communicate this information to other affected employers.
(b) A PPO discontinuing operations for any reason, including decertification, shall, preceding discontinuance: