S.C. Code Ann. § 38-65-110

If an individual insured under a group life insurance policy delivered in this State becomes entitled under the terms of the policy to have an individual policy of life insurance issued without evidence of insurability, subject to making of application and payment of the first premium within the period specified in the policy, and if the individual is not given notice of the existence of this right at least fifteen days before the expiration date of the period, the individual has an additional period within which to exercise the right. Nothing contained in this section may be construed to continue any insurance beyond the period provided in the policy. This additional period expires fifteen days after the individual is given the notice but in no event may the additional period extend beyond sixty days after the expiration date of the period provided in the policy. Written notice presented to the individual or mailed by the policyholder to the last known address of the individual or mailed by the insurer to the last known address of the individual as furnished by the policyholder is notice for the purpose of this section.