S.C. Code Ann. § 43-41-120

The commission shall conduct its affairs on the fiscal year basis of April first to March thirty-first. As shortly after the close of its fiscal year as may be practicable an audit of its affairs shall be made by a certified public accountant in good standing to be designated by the commission. Copies of such audit, incorporated into an annual report of the commission, shall be filed with the legislative delegations and the governing bodies of each participating county.