S.C. Code Ann. § 56-5-2951
(B) Within thirty days of the issuance of the notice of suspension, the person may:
(2) request an administrative hearing.
(b) the suspension is overturned, the person must have his driver's license, permit, or nonresident operating privilege reinstated.
The provisions of this subsection do not affect the trial for a violation of Section 56-5-2930, 56-5-2933, or 56-5-2945.
At the administrative hearing if:
(F) An administrative hearing must be held after the request for the hearing is received by the Division of Motor Vehicle Hearings. The scope of the hearing is limited to whether the person:
(4) consented to taking a test pursuant to Section 56-5-2950, and the:
(d) machine was working properly.
Nothing in this section prohibits the introduction of evidence at the administrative hearing on the issue of the accuracy of the breath test result.
A written order must be issued to all parties either reversing or upholding the suspension of the person's license, permit, or nonresident's operating privilege, or denying the issuance of a license or permit. If the suspension is upheld, the person must receive credit for the number of days his license was suspended before he received a temporary alcohol license and requested the administrative hearing.
(H)
(I)
(1) The period of a driver's license, permit, or nonresident operating privilege suspension for, or denial of issuance of a license or permit to, an arrested person who has no previous convictions for violating Section 56-5-2930, 56-5-2933, or 56-5-2945, or any other law of this State or another state that prohibits a person from driving a motor vehicle while under the influence of alcohol or any other drug within the ten years preceding a violation of this section, and who has had no previous suspension imposed pursuant to Section 56-5-2950 or 56-5-2951 within the ten years preceding a violation of this section is:
(2) The period of a driver's license, permit, or nonresident operating privilege suspension for, or denial of issuance of a license or permit to, an arrested person who has been convicted previously for violating Section 56-5-2930, 56-5-2933, or 56-5-2945, or any other law of this State or another state that prohibits a person from driving a motor vehicle while under the influence of alcohol or any other drug within the ten years preceding a violation of this section, or who has had a previous suspension imposed pursuant to Section 56-5-2950 or 56-5-2951 within the ten years preceding a violation of this section is: