South Carolina Code of Regulations
Chapter 63 - DEPARTMENT OF HIGHWAYS AND PUBLIC TRANSPORTATION
Article 4 - ENGINEERING
Subarticle 3 - HIGHWAY ADVERTISING CONTROL ACT
Section 63-344 - General Restrictions on Outdoor Advertising Signs Subject to the Act

A. No sign nor any portion of a sign may imitate or resemble any official traffic control device including, but not limited to, Interstate or other route symbols, stop signs, stop lights, or yield signs.

B. No sign may advertise or inform of any activity that is illegal under Federal or state laws or regulations in effect at the location of the activity.

C. No sign may be located in such a manner as to obscure or otherwise interfere with the effectiveness of an official traffic sign, signal, or device, or obstruct or interfere with the driver's view of approaching, merging or intersecting traffic.

D. No sign may be erected or maintained upon trees or painted or drawn upon rocks or other natural features.

E. No permit identification tag may be attached to a sign which is not permanently affixed to the site described in the application. Any tag attached to a sign which is not permanently affixed to the site described in the application is void and may be confiscated by Department personnel.

F. If any portion of a sign is located on highway right-of-way, the sign is illegal and must be completely removed from the right-of-way.

G. Any sign permitted because of an activity subsequently determined to be a sham activity shall be illegal and must be removed at the sign owner's or landowner's expense. Until the sign supported by the sham activity is completely removed from its site, the Department may not approve any application for any sign permit made by the sign owner. Also, the Department may not approve any other application for a sign permit on any site owned or controlled by the landowner of the property on which the sham activity is located.