Mo. Rev. Stat. § 78.180
The council shall each month in cities having a population of ten thousand and less than thirty thousand, and every three months in cities having a population of three thousand and less than ten thousand, print in pamphlet form a detailed itemized statement of all receipts and expenses of the city and a summary of its proceedings during the preceding month or preceding three months, according to the population of such city, and furnish printed copies thereof to the city library, the daily and weekly newspapers of the city and to persons who shall apply therefor at the office of the city clerk. At the end of each year the council shall cause a full and complete examination of all the books and accounts of the city to be made by competent accountants and shall publish the result of such examination in the manner above provided for publication of statements of monthly or quarterly expenditures.
§ 78.180, RSMo