(a) There shall be deducted and withheld from the salary payable to each judge under subsections (a) and (d) of § 51-47, family support magistrate under subsection (h) of § 46b-231, and administrative law judge under § 31-277 who is (1) appointed prior to January 1, 2018, a sum equal to five per cent of the judge’s, family support magistrate’s or administrative law judge’s salary, and (2) appointed on or after January 1, 2018, a sum equal to six per cent of the judge’s, family support magistrate’s or administrative law judge’s salary. The sums deducted and withheld shall be deposited in the Judge’s Retirement Fund. The provisions of this subsection shall apply to any family support magistrate who had elected under the provisions of subdivision (2) of subsection (i) of § 46b-231.

(b) The provisions of this section with respect to judges shall apply only to any person first appointed a judge of any court after May 20, 1967, and, on or after July 1, 1978, to any person who was appointed a judge on or prior to May 20, 1967, and who is reappointed to the same court on or after July 1, 1978, or who is appointed to a different court on or after July 1, 1978. The deduction or withholding shall commence with the reappointment or appointment, as the case may be. The appointment of a judge of the Supreme Court to the office of Chief Justice, the appointment, on or after August 1, 1983, of a judge of the Appellate Court to the Supreme Court prior to the expiration of his term as an Appellate Court judge or the appointment of a Superior Court judge to the Supreme Court or, on or after August 1, 1983, to the Appellate Court, prior to the expiration of his term as a Superior Court judge shall not be deemed to be a reappointment to the same court or appointment to a different court.

(c) All matching noncontributory payments required to be made by the state to carry out the provisions of sections 51-49, 51-50 and 51-50a on behalf of administrative law judges shall be an expense of the compensation commission for purposes of assessment under § 31-345.

(d) All contributions made under this section shall be refunded without interest to any judge, family support magistrate or administrative law judge who resigns or is otherwise removed from judicial office or from the office of family support magistrate or the office of administrative law judge prior to becoming eligible for retirement benefits or in the event of the death of any such judge, family support magistrate or administrative law judge, to his named beneficiary or, if none, his estate, provided no pension is payable under § 51-51.