Mo. Rev. Stat. § 280.070
Treated timber products shall be clearly branded before being sold or offered for sale within the state of Missouri as determined by rule. Each brand so used must be registered with the director.
(L. 1961 p. 40 § 2.3, A.L. 1979 S.B. 36, A.L. 1984 H.B. 863)
Effective 1-01-85