S.C. Code Ann. § 56-5-2953
(A) A person who violates Section 56-5-2930, 56-5-2933, or 56-5-2945 must have his conduct at the incident site and the breath test site videotaped.
(1) The videotaping at the incident site must:
(2) The videotaping at the breath site:
(d) must also include the person's conduct during the required twenty-minute pre-test waiting period, unless the officer submits a sworn affidavit certifying that it was physically impossible to videotape this waiting period. However, if the arresting officer administers the breath test, the person's conduct during the twenty-minute pre-test waiting period must be videotaped.
The videotapes of the incident site and of the breath test site are admissible pursuant to the South Carolina Rules of Evidence in a criminal, administrative, or civil proceeding by any party to the action.