S.C. Code Regs. 137-800.04
S.C. Code Regs. 137-800.04. License, Certification and Registration Renewals
(A) All appraiser licenses and certifications expire biennially on June 30 (even years), except those appraisers who first become licensed or certified in the last quarter of the renewal year (April 1 to June 30) are not required to renew until the following renewal period. If the initial license is issued in an odd-numbered year, the license shall be renewed the following year and then biennially thereafter.
(B) All appraisal management company registrations expire annually on June 30.