N.Y. Comp. Codes R. & Regs. tit. 11, § 125.3
(a) An authorized insurer, hereinafter referred to as a “ceding insurer” may reinsure its risks and liabilities to any assuming insurer pursuant to section 1308 of the Insurance Law. A ceding insurer shall at all times act with financial prudence when entering into any reinsurance arrangement. The insurer shall properly consider and account for all factors associated with such an agreement, including:
(8) that the terms of agreements with any affiliated assuming insurer are fair and equitable.
(b)