S.C. Code Ann. § 44-53-360
(i) Excepting a mail order prescription dispensed in compliance with Chapter 43 of Title 40 for which the dispenser requires proper identification of the recipient, a prescription for a controlled substance in Schedules II through V may not be filled unless the dispenser knows the recipient or requires the recipient to produce a government issued photo identification, and the dispenser notes the identification source and number on the prescription, or in a readily retrievable log including: