Missouri Revised Statutes Title XXXII. Courts § 478.220. Circuit and associate circuit judges, jurisdiction, restrictions

(1) Circuit judges shall not hear and determine municipal ordinance violation cases, except upon trial de novo, unless the judge be transferred or assigned to hear and determine the case or that class of case pursuant to section 478.240 or 478.245, or Section 6 of Article V of the Constitution; and

(2) Each circuit judge or associate circuit judge who serves as the judge of the probate division of the circuit court may hear and determine all cases and matters within the probate division of the circuit court in the county for which he is judge in accordance with the rules of civil procedure, except where specific statutes govern procedure in the probate division; and

(3) The provisions of this section authorizing the hearing and determination of particular cases or classes of cases by circuit judges and associate circuit judges shall be subject to the transfer, assignment, and disqualification provisions contained in Article V of the Constitution, in provisions of law, or in court rules which are authorized by the constitution or by law.