Section 031-270-23 - Transitional form and rate filing requirements(A) As soon as practicable, and no later than forty-five (45) days after the effective date of substantive Medicare benefit changes, every insurer, health maintenance organization, and nonprofit hospital or medical service plan providing Medicare supplement coverage in this State shall file with the Superintendent, in accordance with the applicable filing procedures of this State: (1) Appropriate premium adjustments necessary to produce loss ratios as originally anticipated for the applicable policies or the adjustment shall accompany the filing.(2) Any appropriate riders, endorsements, or policy forms needed to accomplish the Medicare supplement insurance modifications necessary to eliminate benefit duplications with Medicare and to provide the minimum required benefits. Any such riders, endorsements, or policy forms shall provide a clear description of the Medicare supplement benefits provided by the policy.(B) Upon satisfying the filing and approval requirements of this State, every insurer or nonprofit hospital or medical service plan providing Medicare supplement insurance in this State shall provide each covered person with any rider, endorsement, or policy form necessary to make the necessary adjustments.(C) Any premium adjustments shall produce an expected loss ratio at least as great as that originally anticipated, and that will conform with minimum loss ratio standards for Medicare supplement policies. Premium adjustments may be calculated for the period commencing with Medicare benefit changes.02-031 C.M.R. ch. 270, § 23