Tennessee Code Title 40. Criminal Procedure § 40-17-125

(a) In any investigation relating to the offenses of sexual exploitation of a minor, as defined in § 39-17-1003, aggravated sexual exploitation of a minor, as defined in § 39-17-1004, or especially aggravated sexual exploitation of a minor, as defined in § 39-17-1005, and upon reasonable cause to believe that an internet service account has been used in the exploitation or attempted exploitation of a minor, the district attorney general or an assistant district attorney general may issue in writing and cause to be served a subpoena requiring the production and testimony described in subsection (b).

(b) Except as provided in subsection (c), a subpoena issued under this section is authorized to require the production of any records or other documentation relevant to the investigation including:

(c) The provider of electronic communication service or remote computing service shall not disclose the following pursuant to a subpoena but may only do so pursuant to a warrant issued by a court of competent jurisdiction:

(d) At any time before the return date specified on the subpoena, the person summoned may, in the general sessions court of the county in which the person resides or does business, petition for an order modifying or quashing the subpoena, or a prohibition of disclosure by a court.

(e) A subpoena under this section shall describe the objects required to be produced and shall prescribe a return date within a reasonable period of time within which the objects can be assembled and made available.

(f) If no case or proceeding arises from the production of records or other documentation pursuant to this section within a reasonable time after those records or documentation are produced, the district attorney general shall either destroy the records and documentation or return them to the person who produced them.

(g) A subpoena issued under this section may be served by any person who is authorized to serve process under the Tennessee Rules of Civil Procedure and such subpoena shall be served in accordance with such rules.

(h) Each district attorney general shall annually report the following information to the judiciary committee of the senate and the criminal justice committee of the house of representatives no later than February 1 for the preceding calendar year:

(i) Except as provided in subsection (h), any information, records or data reported or obtained pursuant to a subpoena issued pursuant to this section shall remain confidential and shall not be further disclosed unless in connection with a criminal case related to the subpoenaed materials.