Tenn. Code Ann. § 67-1-1706: Disclosure to parties in interest

(a) If a notice of lien has been filed pursuant to law, the amount of the outstanding obligation secured by such lien may be disclosed to any person or that person's agent who has a right in the property subject to such lien or intends to obtain a right in such property.

(b) If any taxpayer is required to submit a bond to secure the payment of any taxes that may be due to the department, the amount of the outstanding obligation of the taxpayer may be disclosed to any person who stands as surety on the bond for such taxpayer.