Section 37-1-7501-09002-1303In addition to the requirements set out in Section 1301 above, grandfathered signs shall be maintained in accordance with the following:
1. No repair or maintenance will be allowed on grandfathered signs except customary maintenance or repair as defined herein. The following activities are considered customary maintenance and repair.a. Change of advertising message or copy.b. Routine replacement of border and trim not to include the sign face. Any net decrease in the outside dimensions of the advertising copy portion of the sign will be permitted. Any subsequent change in the outside dimensions of the sign will be permitted so long as it does not exceed the actual dimensions owner records indicate existed on March 6, 1972. However, in no case will legal size limitations be exceeded.d. The placing of night time illumination on existing sign structures is specifically prohibited as customary maintenance; however, such illumination may be permanently removed from such sign structure.e. A grandfathered sign that is damaged but not destroyed as defined in Section 337(7) is still subject to the restrictions on repair and maintenance set out herein. Such a sign that does not receive damage sufficient to render it destroyed may only be repaired to the extent that it is damaged. Undamaged portions of the sign may not be repaired or replaced.37 Miss. Code. R. § 1-7501-09002-1303