Tenn. Code Ann. § 45-10-112: Opening of sealed envelope

Unless the sealed envelope or wrapper is returned to a witness who is to appear personally, the copy of the records shall remain sealed and shall be opened only at the time of trial, deposition, or other hearing, upon the direction of the judge, court, officer, body, tribunal or other issuer conducting the proceeding, in the presence of all parties who have appeared in person or by counsel at the trial, deposition, hearing or other proceeding.