N.Y. Comp. Codes R. & Regs. tit. 11, § 360.10
(1) A community rating methodology must be applied to the following policies as of April 1, 1993, unless otherwise specified:
(b) Premium rate filings designed to comply with the community rating mandate on April 1, 1993 should be submitted to the department as soon as a complete filing can be prepared, conforming to the requirements of this regulation, but such filing should be received by the department no later than January 29, 1993, in order for the insurer to anticipate approval of such filing prior to April 1, 1993.
(1) Premium rate filings for individual policies submitted for department approval should contain the following:
(vi) An exhibit displaying the results of the following comparative calculations and combinations, all based on each form's inforce as of September 30, 1992.
(2) Premium rate filings for small group policies submitted for department approval should contain the following:
(iv) An exhibit displaying the results of the following comparative calculations and combinations, all based on the inforce as of September 30, 1992 for the form(s):
(v) A detailed actuarial memorandum providing a complete justification of the rates being submitted, including reference to the relevant information used in the development of such justification, and a demonstration that the applicable minimum loss ratio of section 52.45 of Part 52 of this Title will be met. At a minimum, such justification shall include:
(d) Any adjustment for payments to or from the pools.
(d) Miscellaneous rules relating to filing and approval of community rates.
(3) For policies subject to community-rating, whose renewal period extends beyond April 1, 1993, provision must be made for a refund of any premium in excess of the community rated premium for the pro rata portion of the period which extends beyond March 31, 1993. For those policies continuing inforce, such refund can be applied as a credit for the following period.
(e) Certification of rate filing.
(c) Content of rate filings.
(a) Rate filing rules.