Section 37-1-7501-09002-1304In addition to the requirements set out in Section 1301 above, non-conforming signs shall be maintained in accordance with the following:
1. No repair or maintenance will be allowed on non-conforming 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. Slight alterations of the dimensions of painted bulletins incidental to copy change which do not substantially increase the overall dimensions of the advertising copy portion of the sign.c. Slight alterations of the dimensions of painted bulletins incidental to copy change which do not substantially increase the overall dimensions of the advertising copy portion of the sign.d. Any net decrease in the outside dimensions of the advertising copy portionof 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.e. 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.f. A nonconforming sign that is damaged but not destroyed as defined in Section 336 (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. § 1-7501-09002-1304