Tennessee Code Title 52. Department of Disability and Aging § 52-3-116

(a) If a person supported is involuntarily committed to an inpatient treatment facility under this title, then the inpatient treatment facility must report the person supported to local law enforcement as soon as practicable, but no later than the third business day following the date of such commitment.  Additionally such facility must report the person supported to the federal bureau of investigation-NICS Index and the department of safety as soon as practicable, but no later than the third business day following the date of receiving such notification, for the purposes of complying with the NICS Improvement Amendments Act of 2007 (NIAA)(Pub. L. No. 110-180), as amended.

(b) If an inpatient treatment facility is required to report pursuant to subsection (a), then the facility must report the following information:

(c) The information in subsection (b), the confidentiality of which may be protected by other law or rules, must be maintained as confidential and not be subject to public inspection pursuant to such law or rules, except for such use as may be necessary in the conduct of any proceedings pursuant to §§ 39-17-1316, 39-17-1353, and 39-17-1354.