Conn. Agencies Regs. § 7-439a-1
A spouse of a deceased member of the Connecticut Municipal Employees' Fund "B," who, as a condition precedent to receiving a retirement salary under the provisions of section 7-439a of the general statutes, is required by said section to make a repayment to said fund, may in lieu of repayment in one sum elect in writing to the state retirement commission to make repayment by one of the following methods: (a) In one or more payments within twelve months from the date of the death of the member; (b) by an equal monthly deduction for the remainder of life or until remarriage from each payment of retirement salary payable under said section, in an amount determined by the state retirement commission to be the actuarial equivalent of the required repayment, according to tables on file in the office of the commission.
Conn. Agencies Regs. § 7-439a-1