S.C. Code Ann. Regs. 5-93
1. Assessments Levied. On and after the effective date of this marketing order, there is hereby levied and there shall be collected by the Commission as provided in Section 46-17-310 upon swine produced in the State and sold by the producer for slaughter, for breeding purposes, or as feeder pigs an annual assessment which shall be paid by the producer upon each and every animal sold or delivered for sale by or for him either in or out of the State of South Carolina provided, however, that no assessment shall be collected on the following: