Tennessee Code Title 9. Public Finances § 9-9-208

(1) The project has been financed with commercial paper and the commercial paper has been retired in whole or in part without issuance of bonds;

(2) The project was authorized to be financed with bonds but was financed in whole or in part with current funds;

(3) The bonds were authorized but are no longer necessary for a governmental purpose; or

(4) The amount of the remaining authorization is de minimis and as such will not be utilized.