Mo. Rev. Stat. § 77.105
Budget and expenditures, approval by ordinance, motion, or resolution required.
77.105. Budget and expenditures, approval by ordinance, motion, or resolution required. — The budget or any authorization to expend funds shall be approved by an ordinance, motion, or resolution that is approved by a majority of all the members elected to the governing body.
(L. 2008 H.B. 1804)