S.C. Code Regs. § § 20-27.32
When contestant substitutions occur in any MMA event, the Commission Representative must thoroughly check the substitute's record, including his/her last five (5) bouts, license, suspension status, name of his/her manager, if any, and any other pertinent information. Promoters must submit contestants' names, addresses, and date of birth must be submitted no later than seventy-two (72) hours prior to the start of the event to the Commission Representative. The Commission Representative must then forward any event substitution to the Commission Designee for approval. The approval of substititions inside of seventy-two (72) hours prior to the event will be at the discretion of the Commission Designee. Any additional administrative cost incurred due to said substitutions will be paid by the promoter.
S.C. Code Regs. § 20-27.32