Tenn. Code Ann. § 4-6-125: Vouchers - Officer's certification

Each voucher shall contain a statement of the managing officer certifying that:

(1) The supplies and materials purchased conformed to the contract and samples, and the improvements or repairs made or special services rendered were fully satisfactory;

(2) The approving officer was in no way financially interested in the transaction to which the same relates; and

(3) The approving officer has full knowledge of the value of the purchase or work or service in question.