Tenn. Code Ann. § 68-135-110: Penalty for violation.

(a) A violation of any provision of this part is a Class B misdemeanor.

(b) In addition to the penalty set forth in subsection (a):

(1) The state fire marshal shall, upon receipt of the first violation, send a written notice of violation which shall include the possible actions that may be taken in response to any second or subsequent violation;

(2) The state fire marshal may issue the following civil penalties for second or subsequent violations of this part or the rules lawfully promulgated under this part:

(A) For a second violation, a civil penalty not to exceed one hundred dollars ($100);

(B) For a third violation, a civil penalty not to exceed five hundred dollars ($500); and

(C) For a fourth or subsequent violation, a civil penalty not to exceed one thousand dollars ($1,000).