Tenn. Code Ann. § 4-31-1012: Pledges

(a) Any pledge made by the authority pursuant to this chapter, or by a local government unit pursuant to a loan program agreement, or by a local education agency in connection therewith shall be valid and binding from the time when the pledge is made, the moneys or property so pledged and thereafter received by the authority or local government unit, as applicable, shall immediately be subject to the lien of such pledge without any physical delivery thereof or further act. The lien of any such pledge shall be valid and binding as against all parties having claims of any kind in tort, contract, or otherwise against the authority, local government units, or local education agency as applicable, irrespective of whether such parties have notice of those claims.

(b) Recording of the resolution or any other instrument by which a pledge is created is not required.