S.C. Code Ann. § 8-13-1140: Filing of updated statement.

A person required to file a statement of economic interests under this chapter annually shall file, pursuant to Section 8-13-365, an updated statement for the previous calendar year, no later than noon on March thirtieth of each calendar year. If the person has filed the description by name, amount, and schedule of payments of a continuing arrangement relating to an item required to be reported under this article, an updating statement need not be filed for each payment under the continuing arrangement, but only if the arrangement is terminated or altered.