Section 031-420-12 - TransitionA. Within four months after the effective date of the 2015 amendments to this Rule, every insurer shall file with the Superintendent any new forms or contract provisions, and all revisions to existing forms or contracts, which it will be using as a result of the amendments.B. Every insurer required to file forms with the Superintendent and subject to this rule shall send all applicable forms and amended contract provisions to existing individual and group contract holders within 60 days after the first billing date after the form or contract provision has been approved by the Superintendent.02-031 C.M.R. ch. 420, § 12