Mo. Rev. Stat. § 536.015
There is established a publication to be known as the "Missouri Register", which shall be published in a format and medium as prescribed by the secretary of state no less frequently than monthly by the secretary of state.
(L. 1975 S.B. 58, A.L. 1994 S.B. 558, A.L. 2004 H.B. 1616 merged with S.B. 1100, A.L. 2019 H.B. 1088)