S.C. Code Ann. § 37-4-201
(1) Consumer credit insurance provided by a creditor may be subject to the furnishing of evidence of insurability satisfactory to the insurer. Whether or not such evidence is required, the term of the insurance shall commence no later than when the debtor becomes obligated to the creditor or when the debtor applies for the insurance, whichever is later, except as follows:
(3) The originally scheduled term of the insurance shall extend at least until the due date of the last scheduled payment of the debt, except as follows:
(b) if the consumer chooses to purchase insurance for less than the term of the consumer credit transaction and if the debtor is advised in writing that the insurance will be written for a specified shorter time as described in subitems (ii) and (iii) below, the term need extend only until the end of the specified time: