Mo. Rev. Stat. § 288.102
288.102 Rules, procedures.
288.102. Rules, procedures. — No rule or portion of a rule promulgated under the authority of this chapter shall become effective unless it has been promulgated pursuant to the provisions of section 536.024 .
(L. 1977 H.B. 707 § 2, A.L. 1981 S.B. 200, A.L. 1994 S.B. 559, A.L. 1995 S.B. 3)