S.C. Code Ann. § 39-9-65

The Uniform Regulation for the Voluntary Registration of Servicepersons and Service Agencies for Commercial Weighing and Measuring Devices adopted by the National Conference on Weights and Measures and published in the National Institute of Standards and Technology Handbook 130, "Uniform Laws and Regulations", and its supplements and revisions, apply to the registration of servicepersons and service agencies in the State, except as modified or rejected by regulation.