Mo. Rev. Stat. § 50.327
Notwithstanding any other provisions of law to the contrary, the salary schedules contained in section 49.082, RSMo, sections 50.334 and 50.343, 51.281, RSMo, 51.282, RSMo, 52.269, RSMo, 53.082, RSMo, 53.083, RSMo, 54.261, RSMo, 54.320, RSMo, 55.091, RSMo, 56.265, RSMo, 57.317, RSMo, and 58.095, RSMo, shall be set as a base schedule for those county officials, unless the current salary of such officials, as of August 28, 2005, is lower than the compensation provided under the salary schedules. Beginning August 28, 2005, the salary commission in all counties except charter counties in this state shall be responsible for the computation of salaries of all county officials; provided, however, that any percentage salary adjustments in a county shall be equal for all such officials in that county.
(L. 2005 H.B. 58 § 3 merged with S.B. 210 § 3)