S.C. Code Ann. § 40-63-140
The board may issue a temporary license to any person who pays the temporary license fee as prescribed by regulation by the board and:
(3) is employed or is to be employed under the supervision of a licensed social worker.
The temporary license is valid for one year and may be renewed only one time. If a person who holds a temporary license under this section does not successfully complete the course of study as prescribed by the board pursuant to this section and does not successfully pass the board-prescribed examination within two years from the date of initial issuance of the temporary license, the permanent license must be denied by the board.