South Carolina Code 8-11-175. Blood drives and donations
(B) A state employee desiring to donate blood at a time other than an agency arranged volunteer blood drive must be excused from work by his employer during the employee’s regular work hours for the purpose of making the donation without prejudice to the employee and no leave or make-up time may be required. Any employee desiring to donate blood as provided in this subsection shall notify his employer of the scheduled donation and the amount of time needed for the donation as far in advance as may be practicable. The agency may deny the employee’s request for time to donate pursuant to this subsection if the absence of the employee would create an extraordinary burden on the agency. In considering the employee’s request, the agency shall take into consideration such factors as the necessity and type of blood donation and any other factor the agency considers appropriate. The agency may as a condition of approving the request require the employee to provide documentation of the donation.