S.C. Code Ann. § 44-6-650: Eligibility; benefits.

(A) To be eligible to enroll in this program a person must:

(1) have attained the age of sixty-five years;

(2) be a resident of this State;

(3) be enrolled in a GAPS participating Medicare Part D Drug Plan;

(4) satisfy annual income, resources, and other criteria established by the department;

(5) pay the enrollment fee, if any, as established by the department.

(B) An enrollee is entitled to benefits under this program during the coverage gap when the enrollee's annual prescription drug costs have reached the point that standard Medicare Part D benefits are no longer available. The GAPS benefits terminate when the enrollee's annual out-of-pocket prescription drug expenses have reached the point that catastrophic Medicare Part D benefits become available.