S.C. Code Ann. § 39-33-1270

Any person who shall desire to test, weigh or sample either milk or cream prior to taking the necessary examination for a license may apply to the Commissioner of Agriculture for a temporary permit. Such permit when issued shall entitle the holder to test, weigh or sample milk or cream until the date specified for taking the examination as prescribed by the Commissioner. A permit holder shall bear the same responsibilities as a licensee in complying with all of the provisions of this article.