In addition to other authority of law, the Department of Motor Vehicles may suspend or revoke the license of a driver without preliminary hearing upon a showing by its records or other sufficient evidence that licensee: (1) Has been convicted of an offense for which mandatory revocation or suspension is required upon conviction; or (2) Has been convicted of an offense in another state which if committed in this State would be grounds for suspension or revocation.
Suspension or revocation of license without preliminary hearing
S.C. Code Ann. § 56-1-300, under Title 56, Chapter 1.
S.C. Code Ann. § 56-1-300