(a) Each family support magistrate who had elected under the provisions of subdivision (2) of subsection (i) of § 46b-231 shall, for retirement purposes, be entitled to credit for any or all the prior years of service accrued by him on June 22, 1992, while serving in the office of family support magistrate, provided such magistrate shall pay to the Comptroller five per cent of the salary for his office for each prior year of service he claims for retirement credit. Each such magistrate shall be entitled to have his retirement contributions to the state employees retirement system under chapter 66 credited toward the payment due for the prior year or years of service he claims for retirement credit under this section.

(b) For purposes of determining both the retirement salary of family support magistrates who first commenced service prior to July 1, 2011, and the allowance payable to their surviving spouses under subsection (b) of § 51-51, “salary” shall be composed of the total of the following amounts: The annual salary payable at the time of retirement or death, fixed in accordance with subsection (h) of § 46b-231; and for family support magistrates to whom a longevity payment has been made or is due and payable, in each case under § 46b-233 (1) one and one-half per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed ten or more but less than fifteen years of service as a family support magistrate, (2) three per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed fifteen or more but less than twenty years of service as a family support magistrate, (3) four and one-half per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed twenty or more but less than twenty-five years of service as a family support magistrate, and (4) six per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed twenty-five or more years of service as a family support magistrate.

(c) For purposes of determining both the retirement salary of family support magistrates who first commenced service as family support magistrates on or after July 1, 2011, and the allowance payable to their surviving spouses, under subsection (b) of § 51-51, “salary” shall be composed of the total of the following amounts: The average annual salary for the five years next preceding his or her retirement payable at the time of retirement or death, fixed in accordance with subsection (h) of § 46b-231; and for family support magistrates to whom a longevity payment has been made or is due and payable, in each case under § 46b-233 (1) one and one-half per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed ten or more but less than fifteen years of service as a family support magistrate, (2) three per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed fifteen or more but less than twenty years of service as a family support magistrate, (3) four and one-half per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed twenty or more but less than twenty-five years of service as a family support magistrate, and (4) six per cent of the annual salary the family support magistrate was receiving at the time of retirement or death, for those who have completed twenty-five or more years of service as a family support magistrate.

(d) Notwithstanding any provision of the general statutes, on and after October 2, 2011, the retirement salary of a family support magistrate shall not exceed the limits of Section 415 of the Internal Revenue Code of 1986, or any subsequent corresponding internal revenue code of the United States, as amended from time to time.