Tenn. Code § 69-5-925
Upon the entry by the county legislative body of an order providing for the issuance of refunding bonds of any such district, any landowner in the district shall have the right at any time within two (2) weeks from and after the entry of such order, within which to pay the full amount of the principal tax or assessment chargeable to that landowner's land or any tract of the landowner's land, for the payment of the bonds proposed to be refunded, and any tract on which such tax or assessment shall be so paid shall thereupon be released from any tax or assessment for the payment of the refunding bonds so authorized to be issued, but shall remain subject to such other or additional taxes, if any, as may be levied pursuant to law.
T.C.A. § 69-5-925