N.Y. Comp. Codes R. & Regs. tit. 11, § 112.4
(b) Except where subdivision (a) of this section is applicable, a loss portfolio transfer entered into between a domestic insurer and an insurer that is an affiliate or is an insurer in the same holding company system, within the meaning of section 107 or 1501 of the Insurance Law, shall be subject to the following:
(2) A domestic insurer, other than an insurer subject to paragraph (1) of this subdivision, that enters into a loss portfolio transfer shall: