226.573. The state highways and transportation commission isauthorized to adopt administrative rules regulating the use of newtechnology in outdoor advertising as allowed under federal regulations forfederal-aid primary highways as of June 1, 1991, and all highwaysdesignated as part of the National Highway System by the National HighwaySystem Designation Act of 1995 and those highways subsequently designatedas part of the National Highway System. Any rule or portion of a rule, asthat term is defined in section 536.010, RSMo, that is promulgated pursuantto the authority delegated in this section shall become effective only ifit has been promulgated pursuant to the provisions of chapter 536, RSMo.This section and chapter 536, RSMo, are nonseverable and if any of thepowers vested with the general assembly pursuant to chapter 536, RSMo, toreview, to delay the effective date or to disapprove and annul a rule aresubsequently held unconstitutional, then the grant of rulemaking authorityand any rule proposed or adopted after August 28, 2002, shall be invalidand void.
(L. 1999 S.B. 61, A.L. 2002 H.B. 1196 merged with H.B. 1508)