Mo. Rev. Stat. § 84.350

84.350. Board of police commissioners — organization — qualifications, terms, salaries, audits. — 1. In all cities of this state that now have, or may hereafter have, three hundred thousand inhabitants and not over seven hundred thousand inhabitants, there shall be, and is hereby established, within and for the cities, a board of police commissioners to consist of four commissioners as provided in section 84.360 , together with the mayor of such cities, or whosoever may be officially acting in that capacity, who shall be a voting member of the board. The board shall appoint one of its members as president of the board, and one other member as vice president. The president, or vice president in the absence of the president, shall be the presiding officer of the board and shall act for it when the board is not in session. The commissioners shall be citizens of the state of Missouri and shall have been residents of the respective cities in which they are appointed to serve for a period of four years next preceding their appointment, except the mayor, who shall serve for a term equal to his term of office as mayor. The commissioners shall, except as otherwise specified in this section and section 84.360 , hold their offices for four years, and until their respective successors are appointed and qualified. Each commissioner shall receive a salary of two thousand four hundred dollars per annum, payable not less than semimonthly, except that the mayor shall not receive any salary or compensation for his duties as commissioner.

2. The police department of such city may be audited once a year by an independent auditor to be selected by the city's board of police commissioners and approved by the mayor. The police department of such city may be audited at any time by the state auditor or by the auditor of the city. Prior to auditing the police department of such city, the city auditor shall determine which agencies or divisions of the police department would most benefit from performance auditing and notify the board of police commissioners. The city auditor, in conjunction with the board of police commissioners, shall develop a schedule for conducting such audits on such police department agencies or divisions as to not disrupt or interfere with the conduct of police business, the public's safety or the normal course of said auditors' duties or responsibilities for such city.

(RSMo 1939 § 7645, A.L. 1943 p. 727, A.L. 1947 V. I p. 405, A.L. 1958 2d Ex. Sess. p. 152, A.L. 1993 S.B. 376, A.L. 1995 H.B. 574) Prior revisions: 1929 § 7502; 1919 § 8913; 1909 § 9765