Mo. Rev. Stat. § 58.750
Any person failing to supply the information required by section 58.720, subsection 6*, is guilty of misdemeanor and upon conviction shall be punished by a fine of not more than one thousand dollars, or by imprisonment in the county jail for not more than sixty days, or by both the fine and imprisonment.
(L. 1973 S.B. 122 § 14)
*Statutory reference to subsection "4" changed to "6" in accordance with section 3.060 based on renumbering within section 58.720 by H.B. 2046, 2020.