When a three-judge court is appointed by the Probate Court Administrator, the administrator may pay from the fund authorized under § 45a-82 a per diem rate not to exceed two hundred fifty dollars for each judge that has been cited in, other than the judge in whose district the matter is being heard, provided such payment under this section, when combined with the compensation that the judge receives as a judge of probate of the district to which the judge was elected, does not exceed the compensation provided for a judge of probate under subdivision (4) of subsection (a) of § 45a-95a. Such payment shall be made in accordance with regulations promulgated by the Probate Court Administrator.