Mo. Rev. Stat. § 324.022: Rulemaking authority.

No rule or portion of a rule promulgated under the authority of sections 209.285 to 209.339, sections 214.270 to 214.516, sections 256.010 to 256.453, this chapter, and chapters 317, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 345, and 346 shall become effective unless it has been promulgated pursuant to the provisions of section 536.024.