S.C. Code Ann. § 40-60-38
The board shall adopt the standards and amendments to these standards of professional appraisal practice, as promulgated by the Appraisal Standards Board of the Appraisal Foundation. All appraiser apprentices and state licensed and certified appraisers shall conform their professional conduct to the National USPAP and its amendments, as promulgated by the Appraisal Standards Board.