Mo. Rev. Stat. § 130.072
Any person who knowingly accepts or makes a contribution or makes an expenditure in violation of any provision of this chapter or who knowingly conceals a contribution or expenditure by filing a false or incomplete report or by not filing a required report, in addition to or in the alternative to any other penalty imposed by this chapter, may be held liable to the state in civil penalties in twice the amount of any such contribution or expenditure, not to exceed a total amount of five thousand dollars.
(L. 1985 H.B. 150, et al.)
Effective 1-1-86