The Commission shall appoint at least two physicians to insure the safety and health of all contestants in a contest. One of the physicians appointed under §A of this regulation, may be a neurosurgeon or a neurologist. The Commission shall designate a senior physician. A senior physician has the following authority to: Interrupt a contest at any time to examine a contestant; Terminate a contest at any time after determining that serious injury has occurred or is immediately likely to occur to either contestant, or when a contestant is bleeding sufficiently to provide a health hazard to spectators and personnel; Admit a contestant to a medical facility; and Require a contestant to submit to a blood test or urinalysis. The Commission shall designate ringside physicians. The senior physician and ringside physician may render emergency treatment to a contestant on-site or while traveling to a hospital.