RS 461.20 - Landmark signs
Signs lawfully in existence on October 22, 1965, determined by the state, subject to the concurrence of the United States Secretary of Transportation, to be landmark signs, including signs on farm structures or natural surfaces, of historic or artistic significance, the preservation of which would be consistent with the purposes of this Section, are not required to be removed.
Added by Acts 1975, No. 617, §1.