Mo. Rev. Stat. § 8.630
Who shall enforce.
8.630. Who shall enforce. — The responsibility for enforcement of sections 8.610 to 8.650 shall be as follows:
(1) Where state school funds are utilized, the state department of elementary and secondary education; or
(2) Where state funds are utilized, the division, agency or instrumentality of the state having jurisdictional control of the design function of the work; or
(3) Where funds of counties, municipalities or other political subdivisions are utilized, the governing bodies thereof.
(L. 1973 H.B. 77)