S.C. Code Ann. § 37-17-55
(B) If the initial contact with the prospective customer is by telephone, disclosures must be made orally and included in the initial written materials that describe the benefits under the discount medical plan provided to the prospective or new customer and disclose that:
(C) A discount medical plan issued for delivery in this State is returnable or cancelable, within thirty days of the date of delivery of the card or a longer period if provided in the purchase agreement, by the customer or user for any reason, and the customer must receive a full refund of all fees, except nominal fees associated with enrollment costs, that were part of the cost of the card.