South Carolina Code of Laws — Title 12 (Taxation)
S.C. Code Ann. § 12-28-720 — Perfection of exemption for imports
The exemption for exports:
(1) under Section 12-28-710(1) must be perfected by a deduction on the report of the supplier which is otherwise responsible for user fees on removal of the product from a terminal or refinery in this State;
(2) under Section 12-28-710(2) and 12-28-710(4) may be perfected at the option of the exporter by a refund claim if the claim in the aggregate month to date exceeds one thousand dollars, by a refund claimed on the licensed exporter report for that month's activity, or under Section 12-28-710(3) if a diversion by an unlicensed exporter upon a refund application is made to the department within three years.
Source: official text