(l) The reporting unit for the district court in the thirty-sixth district shall contribute annually to the retirement system for each member who is a judge of the thirty-sixth district court an amount equal to the product of the total annual additional salary paid to the member pursuant to section 8202 of the revised judicature act of 1961, Act No. 236 of the Public Acts of 1961, being section 600.8202 of the Michigan Compiled Laws, and the annual level percent of payroll contribution rate determined under section 301. The supreme court shall subtract the figure calculated in this subsection from the salary standardization payment paid to the reporting unit for the thirty-sixth district, prorated on the basis of the frequency with which this state makes salary standardization payments to the reporting unit.

    (2) The reporting unit that pays a plan 3b member’s or a plan 3c member’s supplemental salary shall contribute annually to the retirement system an amount equal to the product of $2,250.00 of the state salary standardization payment and the annual level percent required to fund the retirement system. The supreme court shall subtract the figure calculated in this subsection from the salary standardization payment paid to the reporting unit that pays the judge’s salary prorated on the basis of the frequency with which this state makes salary standardization payments to the reporting unit that pays the judge’s supplemental salary.