Mo. Rev. Stat. § 204.470: Local government officials required to perform certain acts and services.

It is hereby made the duty of the mayors of cities, the circuit court, the governing bodies of counties, and all assessors, sheriffs, collectors, treasurers and other officials in the state of Missouri to do and perform all the acts and to render all the services necessary to carry out the purposes of sections 204.250 to 204.470.