S.C. Code Ann. Regs. 5-33
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 by Section 46-17-310, upon sweet potatoes produced or marketed in the affected area an annual assessment which shall be paid by the producer thereof upon each and every bushel of sweet potatoes sold, packed, processed, delivered for sale or packing by or for him, or stored or delivered for storage when such storage or delivery for storage shall be outside the boundaries of this State; provided, however, that no assessment shall be collected on the following:
2. Amount of Assessment.
3. Collection of Assessments.
c. To collect such assessments as may be due, the Commission may:
4. Funds.
5. Refund of Assessments.
Any producer may, if dissatisfied with any assessment that has been levied and collected be refunded the full amount of such assessment provided that demand for refund is made in writing and in the hands of the Commission and of the Chairman of the Board within 30 days from the date upon which assessment was due and that such assessment was properly paid and receipt issued prior to this date; provided that the payment of the assessment was not the result of legal action brought against such producer.