Mo. Rev. Stat. § 339.606
The commission may promulgate rules and regulations and perform all duties necessary for carrying out the provisions of sections 339.600 to 339.610. The commission shall set the amount of the fees which are authorized pursuant to sections 339.600 to 339.610 by rules and regulations promulgated pursuant to section 536.021, RSMo. The fees shall be set at a level to produce revenue which shall not substantially exceed the cost and expense of administering sections 339.600 to 339.610.
(L. 1993 S.B. 18 § 339.605 subsec. 5)