S.C. Code Ann. § 40-53-80

On July 7, 1972, any person who is actually engaged in the occupation, business, or profession of a polygraph examiner and who is using for that purpose the instrumentation prescribed in SECTION 40-53-30 shall, upon application within ninety days after July 7, 1972 and payment of the required license fee, be issued a polygraph examiner's license which shall be effective no longer than one year from date of issuance, provided, however, that the Division may require such applicant to submit satisfactory proof that he is so engaged. The applicant must also satisfy the requirements of SECTION 40-53-70(a), (d) and (h).