Mo. Rev. Stat. § 79.160

The board of aldermen shall semiannually each year, at times to be set by the board of aldermen, make out and spread upon their records a full and detailed account and statement of the receipts and expenditures and indebtedness of the city for the half year ending with the last day of the month immediately preceding the date of such report, which account and statement shall be published in some newspaper in the city.