N.Y. Ins. Law § 2352

§ 2352. Multiple rating programs. (a) Subject to the superintendent's\nprior approval, an insurer may establish more than one rating program\nwithin the same company for policies of insurance that are subject to\nsection three thousand four hundred twenty-five or section three\nthousand four hundred twenty-six of this chapter; provided that:\n (1) each rating program shall apply only to policies newly written on\nor after the effective date of the rating program but prior to the\neffective date of any subsequently approved rating program; provided\nhowever if an insurer terminates a rating program, then the insurer\nshall renew the policies that were subject to the terminated rating\nprogram in a subsequently approved rating program.\n (2) the provisions of subsection (f) of section three thousand four\nhundred twenty-five and subsection (b) of section two thousand three\nhundred forty-nine of this chapter shall be applied to each rating\nprogram to which they are applicable separately.\n (b) The superintendent may promulgate rules and regulations to\nimplement the provisions of this section.\n