S.C. Code Ann. § 39-9-200: Unlawful acts.

No person may:

(1) use or have in possession for use in commerce an incorrect weight or measure;

(2) sell or offer for sale for use in commerce an incorrect weight or measure;

(3) remove a tag, seal, or mark from a weight or measure without specific written authorization from the proper authority;

(4) hinder or obstruct a weights and measures official in the performance of his duties;

(5) violate this chapter or regulations promulgated pursuant to it.