No physician, surgeon, osteopath, registered nurse, or licensed practical nurse duly licensed to practice his profession in another state of the United States, who renders in this state emergency care at the scene of the emergency, shall be liable as specified in § 20-9-3, nor shall he be deemed to be practicing medicine or nursing within this state as contemplated by chapters 36-2, 36-4, and 36-9.
SDCL 20-9-4