S.C. Code Ann. § 50-13-680

An enforcement officer or department employee acting in their official capacity may inspect, at any reasonable hour, the vehicle, boat, processing house, and wholesale business which is connected with nongame commercial fishing activities and the records of a person required to be licensed by this title to ensure compliance. Upon request of the department, the buyers (fish houses) of nongame fish shall report quarterly the volume of sales and other information as required by the department. An enforcement officer or department employee acting in their official capacity may check any game or nongame fishing device and, if unlawful, may seize the device as contraband and dispose of it and any catch provided by law.