Be it enacted by the Senate and House of Representatives
in General Court assembled, and by the authority of the same,
Chapter 175 of the General Laws is hereby amended by inserting after section 113Q the following section:-
Section 113R. Every insurer offering motor vehicle liability insurance and related coverages shall pay interest on refunds of overpayments to those insured paying premiums in full based on an estimated premium. Such interest shall include interest in the amount charged policyholders for overdue payments.