Mo. Rev. Stat. § 621.135
621.135 Administrative procedure.
621.135. Administrative procedure. — The provisions of chapter 536 , and any amendments thereto, except those provisions or amendments which are in conflict with sections 621.015 to 621.198 , and any civil rule hereafter adopted which supersedes an applicable provision of chapter 536 , shall apply to and govern the proceedings of the administrative hearing commission and the rights and duties of the parties involved.
(L. 1965 p. 277 § 8)