Tennessee Code Title 29. Remedies and Special Proceedings § 29-34-203

(1) Is responding to a documented 911 call for emergency assistance;

(2) Has made reasonable efforts to summon an occupant of the home, business, or structure that made the call by knocking or otherwise notifying the occupant of the first responder's presence;

(3) Has not received a response from an occupant within a reasonable period of time after making reasonable efforts pursuant to subdivision (b)(2); and

(4) Has a good faith belief that it is necessary to make a forcible entry for the purposes of rendering emergency assistance or preventing imminent bodily harm.