Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-140-402

(A) Has received approval of its premarket notification, filed pursuant to 21 U.S.C. § 360(R), from the United States food and drug administration;

(B) Is capable of recognizing the presence or absence of ventricular fibrillation or rapid ventricular tachycardia, and is capable of determining, without intervention by an operator, whether defibrillation should be performed; and

(C) Upon determining that defibrillation should be performed, automatically charges and requests delivery of an electrical impulse to an individual's heart.