S.C. Code § 39-11-100
Each public weighmaster shall obtain a public weighmaster stamp for stamping weight or measure certificates. The public weighmaster stamp is the property of the State and must be forfeited and returned to the Department of Agriculture upon termination of the performance of the duties as public weighmaster.
Each public weighmaster registered under this chapter shall obtain from the Commissioner of Agriculture the stamp as provided in this chapter and pay for the stamp at actual cost to the State. The Commissioner of Agriculture shall prescribe the form and design of the weighmaster stamp.
Monies collected under this section must be deposited with the State Treasurer and expended for the purpose described in this section. All stamps issued to the public weighmasters must be paid for from this fund.
Stamps returned to the Commissioner of Agriculture must be defaced and destroyed or otherwise disposed of by the Department of Agriculture.
The public weighmaster stamp is a recognized authority of accuracy, and the stamp must be applied to all weight or measure certificates at the time of issuance, if requested by the customer to whom the certificate is issued.
S.C. Code § 39-11-100