Mo. Rev. Stat. § 515.030
Current with changes from the 2023 Legislative Session
In all cases of reference, the parties, except when an infant may be a party, may agree upon a suitable person or persons, not exceeding three; and, upon filing such agreement, the reference shall be ordered accordingly. If the parties do not agree, the court shall appoint one or more referees, not exceeding three, who shall be free from all exception.
§ 515.030, RSMo
RSMo 1939 § 1143