Pay plan.

After the adoption by the governing body of a pay plan and any rules of its administration, the board, with the approval of the governing body, shall assign each position to one of the pay ranges provided in the pay plan to the end that the rate or range of compensation for each class provided for in the pay plan shall be such as to reflect fairly the differences in duties and responsibilities in the various classes.

(Act 1973, No. 465, p. 663, §9.)