Tenn. Code Ann. § 47-26-1015: Measurement practices and equipment used

A public weighmaster shall use measurement practices and equipment:

(1) In accordance with the requirements of the latest edition of NIST Handbook 44, "Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices";

(2) Examined, tested, and approved for use by a weights and measures official of this state; and

(3) Suitable for the weighing of the amount and kind of material to be weighed.