Louisiana Revised Statutes Tit. 48, § 461.7. Unlawful advertising

Unlawful advertising shall be any sign, display or device which violates the provisions of this Part. The department shall give thirty days notice, by certified mail, to the owner of such device to remove same if it is a prohibited device or cause it to conform to regulations if it is an authorized device. If the owner of such device fails to act within thirty days, as required in the notice, the department shall remove the advertising device at the expense of the owner thereof.