S.C. Code § 56-3-2540
The Department of Motor Vehicles may issue special motor vehicle license plates to owners of private passenger motor vehicles as defined in Section 56-3-630 registered in their names which shall have imprinted on the plate "Conserve South Carolina" and which may have an emblem, a seal, logo, or other symbol of the South Carolina Conservation Bank. The South Carolina Conservation Bank shall submit to the department for its approval the emblem, seal, logo, or other symbol it desires to be used for this special license plate. The South Carolina Conservation Bank may request a change in the emblem, seal, logo, or other symbol not more than once every five years. The fee for this special license plate is forty-eight dollars every two years in addition to the regular motor vehicle registration fee set forth in Article 5, Chapter 3, Title 56. This special license plate must be of the same size and general design of regular motor vehicle license plates. The special license plates must be issued or revalidated for a biennial period which expires twenty-four months from the month they are issued.
S.C. Code § 56-3-2540