Missouri Revised Statutes Title XXXII. Courts § 479.230. Absence of judge, procedure

(1) In municipal court divisions having more than one judge, the presiding judge of the municipal division, if any, or if there is not a designated presiding judge of the municipal division, any other municipal judge in said municipal division may request the presiding judge of the circuit court to designate a special municipal judge as provided in subsection 2 of this section until such absence or disqualification shall cease, subject to subdivision (4) of this subsection;

(2) The presiding judge of the municipal division may, by written directive, designate a written procedure delegating authority by which the municipal court administrator, if any, or the municipal court clerk, is authorized to notify and request the presiding judge of the circuit court to designate a special municipal judge as provided in subsection 2 of this section;

(3) In the absence of multiple judges in a municipal division, and in the absence of a written directive and policy authorizing the procedure, the mayor or chairman of the board of trustees may request the presiding judge of the circuit court to designate a special municipal judge as provided in subsection 2 of this section or in cases of circumstances making it impossible to reach the presiding judge of the circuit court in a timely manner, the mayor or chairman of the board of trustees may designate some competent, eligible person to act as municipal judge until the presiding judge of the circuit court can designate a special municipal judge as provided for under subsection 2 of this section;

(4) Notwithstanding the provisions of subdivisions (1) to (3) of this subsection, should a vacancy occur in the office of an elected municipal judge more than six months before a general municipal election, then a special election shall be held to fill such vacancy; and in case of vacancy in the office of an elected municipal judge within less than six months of a general municipal election, the office may be filled by a competent, eligible person under the procedures set forth in subdivisions (1), (2), and (3) of this subsection.