S.C. Code Ann. § 56-3-8000
(A) The department may issue special motor vehicle license plates to owners of private passenger-carrying motor vehicles or light pickups having an empty weight of seven thousand pounds or less and a gross weight of nine thousand pounds or less registered in their names which may have imprinted on the plate the emblem, a seal, or other symbol the department considers appropriate of an organization which has obtained certification pursuant to either Section 501(C)(3), 501(C)(7), or 501(C)(8) of the Federal Internal Revenue Code. The fee for this special license plate is the fee contained in Section 56-3-2020.
The special license plate must be issued or revalidated for a biennial period which expires twenty-four months from the month it is issued.
(B) Before the department produces and distributes a plate authorized under this section, it must receive:
(H) The department may alter, modify, or refuse to produce any special license plate that it deems offensive or fails to meet community standards. If the department alters, modifies, or refuses to produce a special license plate, the organization or individual applying for the license plate may appeal the department's decision to a special joint legislative committee. This committee shall be comprised of two members from the House Education and Public Works Committee, two members from the Senate Transportation Committee.
Appointments to the joint legislative committee shall be made by the chairmen of the House Education and Public Works Committee and the Senate Transportation Committee. The department's decision may be reversed by a majority of the joint legislative committee. If the committee reverses the department's decision, the department must issue the license plate pursuant to the committee's decision. However, the provision contained in subitem (B) of this section also must be met.