S.C. Code Ann. § 50-9-35: Persons licensed by another state; transfer of residency.

Any person licensed by another state as a resident for any purpose is not eligible to apply for, obtain, or hold any South Carolina resident license, permit, stamp, or tag required by this title. It is unlawful to obtain, attempt to obtain, or possess a license, permit, stamp, or tag required by this title while licensed as a resident of another state for any purpose.

Any person who lawfully acquires a resident South Carolina license, permit, stamp, or tag and who during the term of that instrument transfers their domicile outside of this State, may continue the privileges until expiration of that license, permit, stamp, or tag.