S.C. Code Ann. § 8-13-1150
A consultant must file a statement for the previous calendar year with the appropriate supervisory office no later than twenty-one days after entering into a contractual relationship with the State or a political subdivision of the State and must file an update within ten days from the date the consultant knows or should have known that new economic interests in an entity have arisen in which the consultant or a member of the consultant's immediate family has economic interests: