S.C. Code Ann. § 50-13-280
It shall be unlawful for any person to have in his immediate possession or control more than the number of game fish authorized to be caught by one person in any one day; provided, that the provisions of this section shall not apply to any person traveling in a vehicle with not more than the number of game fish authorized to be caught by one person in any two days nor to any person who has fish stored in a freezer in any residence which is not used as or connected with a store, service station, eating establishment or any such similar commercial establishment.