S.C. Code Regs. 67-413
S.C. Code Regs. 67-413. Periodic Report
A. The employer’s representative shall file a Form 18, Periodic Report, or the EDI equivalent Sub Annual (SA), as follows:
(1) Six months after the alleged date of injury and each six months thereafter until the Commission’s file is closed; and
(2) At the request of the Commission.