S.C. Code Ann. § 56-5-2930
It is unlawful for a person to drive a motor vehicle within this State while:
(3) under the combined influence of alcohol and any other drug or drugs or substances which cause impairment to the extent that the person's faculties to drive are materially and appreciably impaired.
SECTION 56-5-2930 and SECTION 56-5-2940 of the Uniform Act Regulating Traffic on Highways is applicable only to those offenses of driving while under the influence of alcoholic beverages which occur within the boundaries of the State of South Carolina, or within the political subdivisions and municipalities herein. 1980 Op Atty Gen, No 80-46, p 92.
It is the duty of the arresting officer or the person conducting a chemical test of a person arrested for driving under the influence to assist that person in contacting a qualified person to conduct a blood test. 1978 Op Atty Gen, No 78-174, p 201.
A person may be arrested for DUI while steering a towed motor vehicle. 1975-76 Op Atty Gen, No 4330, p 154.
Municipal courts have jurisdictions of first offense drunk driving violations under State law. 1971--72 Op Atty Gen, No 3262, p 59.
A person arrested for driving under the influence of intoxicants may be compelled to submit to a blood test, and the results are admissible. 1969-70 Op Atty Gen, No 3019, p 307.
A blood test may be required without search warrant after the arrest of a person for driving under the influence, and the results are admissible. 1969-70 Op Atty Gen, No 3019, p 307.
Suspension of driver's license. Code 1962 section 46-348, requiring the suspension of the driver's license of persons convicted under this section [Code 1962 Section 46-343], relates the length of the suspension to the number of convictions and not to the punishment imposed therefor. 1965-66 Op Atty Gen, No 2192, p 336.