S.C. Code Ann. § 40-47-1560
(A) Cardiovascular invasive specialists may perform medical tasks and services within the framework of a facility's written practice protocol developed for the cardiovascular invasive specialist. Within this practice protocol the registered cardiovascular invasive specialist, under the supervision of a cardiologist may engage in these functions and duties:
(C) A cardiovascular invasive specialist practicing at all sites shall practice pursuant to written scope of the facility's practice protocols signed by all supervising cardiologists and the cardiovascular invasive specialists. Copies of the protocols must be on file at all practice sites. The protocols shall include at a minimum the: