S.C. Code Ann. § 35-1-950
The securities commissioner may by rule or order require as a condition of registration by qualification or coordination (a) that any security issued within the past three years or to be issued to a promoter for a consideration substantially different from the public offering price, or to any person for a consideration other than cash, be deposited in escrow and (b) that the proceeds from the sale of the registered security in this State be impounded until the issuer receives a specified amount from the sale of the security either in this State or elsewhere.
The securities commissioner may by rule or order require as a condition of registration that any security registered by qualification or coordination be sold only on a specified form of subscription or sale contract and that a signed or conformed copy of each contract be filed with the securities commissioner or preserved for any period up to three years specified in the rule or order.