Mo. Rev. Stat. § 64.483
Law inoperative until county commission orders — notice and hearing.
64.483. Law inoperative until county commission orders — notice and hearing. — Sections 64.460 to 64.487 shall not be operative in any county until the county commission, after notice and hearing, by order entered of record, so orders.
(L. 1955 p. 348 § 8)