Mo. Code Regs. Ann. tit. 1, § 15-2.250
PURPOSE: This rule states when and how a party must be represented by a licensed attorney.
(3) Except as provided in section (2) of this rule, only a licensed attorney may represent any other person, including a corporation.
Auth: sections 621.035 and 621.198, RSMo (1986).’ Original rule filed Aug. 5, 1991, effectiue Feb. 6, 1992. *Original authority 1965, amended 1978.