Mo. Rev. Stat. ยง 143.787
143.787 Director's duties, forms โ rules and regulations, procedure.
143.787. Director's duties, forms โ rules and regulations, procedure. โ The director of revenue may prescribe the form and contents of any forms or other documents required by sections 143.782 to 143.788 . The director of revenue shall have the authority to promulgate rules pursuant to this section and chapter 536 in order to carry out the provisions of sections 143.782 to 143.788 . No rule or portion of a rule promulgated under the authority of sections 143.782 to 143.788 shall become effective unless it has been promulgated pursuant to the provisions of section 536.024 .
(L. 1982 H.B. 946 ยง 8, A.L. 1993 S.B. 52, A.L. 1995 S.B. 3)