(a) All scales used by stockyard owners, swine contractors, market agencies, dealers, packers, and live poultry dealers to weigh livestock, livestock carcasses, live poultry, or feed for the purposes of purchase, sale, acquisition, payment, or settlement shall be installed, maintained, and operated to ensure accurate weights. All electronic evaluation devices or systems for measuring the composition or quality constituents of live animals, livestock and poultry carcasses, and individual cuts of meat or a combination thereof for the purpose of determining value shall be installed, maintained, and operated to ensure accuracy. Such scales or electronic evaluation devices or systems shall meet applicable requirements contained in the General Code, Scales Code, Weights Code, and Electronic Livestock, Meat, and Poultry Evaluation Systems and/or Devices Code of the NIST Handbook 44. The 2013 edition of the National Institute of Standards and Technology (NIST) Handbook 44, “Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices” is hereby incorporated by reference and was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. These materials are incorporated as they exist on the date of approval and a notice of any change in these materials will be published in the Federal Register. All approved material is available for inspection at USDA, AMS, Packers and Stockyards Division, 1400 Independence Avenue SW, Washington, DC 20250, telephone 202-720-7051, and is for sale by the National Conference of Weights and Measures (NCWM), 1135 M Street, Suite 110, Lincoln, Nebraska, 68508. Information on this material may be obtained from NCWM by calling 402-434-4880, by emailing [email protected], or on the Internet at http://www.nist.gov/owm. It is also available for inspection at the National Archives and Records Administration (NARA). For more information on the availability of this material at NARA, call 202-741-6030 or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

(b) All scales used by stockyard owners, swine contractors, market agencies, dealers, packers, and live poultry dealers to weigh livestock, livestock carcasses, live poultry, or feed for the purpose of purchase, sale, acquisition, payment, or settlement of livestock or live poultry and all scales used for the purchase, sale acquisition, payment, or settlement of livestock on a carcass weight basis shall be equipped with a printing device which shall record weight values on a scale ticket or other document.

(c) All vehicle scales used to weigh livestock, live poultry, or feed for purposes of purchase, sale, acquisition, payment, or settlement of livestock or live poultry shall be of sufficient length and capacity to weigh the entire vehicle as a unit: Provided, That a trailer may be uncoupled from the tractor and weighed as a single unit.

(d) No scales shall be operated or used by any stockyard owners, swine contractors, market agencies, dealers, packers, or live poultry dealers to weigh livestock, livestock carcasses, live poultry, or feed for the purposes of purchase, sale, acquisition, payment, or settlement of livestock, livestock carcasses or live poultry unless it has been found upon test and inspection, as specified in § 201.72, to be in a condition to give accurate weight. If a scale is inspected or tested and adjustments or replacements are made to a scale, it shall not be used until it has been inspected and tested and determined to meet all accuracy requirements specified in the regulations in this section.