Contributions; certain school boards

A. Each local school board which compensates member teachers employed by it at salaries in excess of the minimum salaries established by law in the statewide minimum teachers salary schedule and member supervisors and central staff employed by it at salaries in excess of the schedule of compensation for such employees established from time to time in the equalization apportionment of public school funds made by the State Board of Education, or its successor, shall contribute each month to the board of trustees an amount equal to the amount obtained by multiplying the total of such excess payments for each month by the employer contribution rate as certified by the board of trustees. B. Each local school board which compensates member teachers, supervisors or central staff employed by it at salaries which are payable solely from local or federal funds or other funds besides those made available for the statewide minimum salary schedule and schedule of salaries in the equalization apportionment of public school funds shall contribute each month to the board of trustees an amount equal to the amount obtained by multiplying the total of such payments by the employer contribution rate as certified by the board of trustees. C. The contribution required hereunder shall be included in the budget of each school board to which it is applicable, and such inclusion shall be a mandatory requirement for approval of such board's budget by the Joint Legislative Committee on the Budget. D. The treasurer of each employer shall make the deduction required hereunder and shall transmit on or before the tenth day of each month to the secretary-treasurer of the board of trustees the sum of the deduction made during the preceding month.