1. (1) Subject to the provisions of Title 32, chapter 12, part 2, and Title 82, chapter 15, part 1, MCA, the bureau adopts and incorporates by reference the following publications for weights and measures in Montana:

   1. (a) NIST Handbook 44, 2023 edition: Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices with the following modifications:

      1. (i) Delete paragraph UR.3.3. Single-Draft Weighing found in section 2.20, Scales.
      2. (ii) Delete paragraph UR.2.2. Ticket Printer, Customer Ticket found in section 3.31, Vehicle-Tank Meters.

   2. (b) NIST Handbook 130, 2023 edition: Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality with the following modifications:

      1. (i) Delete in its entirety III, Uniform Laws part B, Uniform Weighmaster Law.
      2. (ii) IV Uniform Regulations part A, Uniform Packaging and Labeling Regulation section 14, insert in the blank space January 1, 2024, for the effective date.
      3. (iii) IV Uniform Regulations part B, Uniform Regulation for the Method of Sale of Commodities, section 5 insert in the blank space January 1, 2024, for the effective date.
      4. (iv) Delete in its entirety IV Uniform Regulations part C, Uniform Unit Pricing Regulation.
      5. (v) IV Uniform Regulations part D, Uniform Regulation for the Voluntary Registration of Servicepersons and Service Agencies for Commercial Weighing and Measuring Devices, section 3, Registration Fee, insert in all blank spaces, $25.00. Section 8 insert P.O. Box 200516 Helena Mt 59620 in the blank space.
      6. (vi) IV Uniform Regulations part E. Uniform Regulation for National Type Evaluation, section 4(c) through (g) insert in all blank spaces January 1, 2024, for the effective date.
      7. (vii) IV Uniform Regulations part E. Uniform Regulation for National Type Evaluation, section 7, insert in the blank space January 1, 2024, for the effective date.
      8. (viii) IV Uniform Regulations part F, Uniform Fuels and Automotive Lubricants Regulation, section 2.1.2. Gasoline-Ethanol Blends.
      9. (a) , is deleted and replaced with the following subsection: “(a) The maximum vapor pressure shall not exceed the latest version of ASTM D4814, ‘Standard Specification for Automotive Spark-Ignition Engine Fuel,’ limits by more than 1.0 psi year-round for gasoline-ethanol blends above 1%.”
   3. (c) NIST Handbook 133, 2022 edition: Checking the Net Contents of Packaged Goods.
2. (2) A copy of NIST Handbooks 44, 130, and 133 can be obtained from the United States Department of Commerce, National Institute of Standards and Technology, National Conference on Weights and Measures, Gaithersburg, MD 20899-0001, or online at www.nist.org.

Authorizing statute(s): 30-12-202, 82-15-102, MCA

Implementing statute(s): 30-12-202, 30-12-205, 30-12-401, 30-12-406, 30-12-407, 30-12-408, 30-12-409, MCA

History: NEW, 2023 MAR p. 1871, Eff. 1/1/24; AMD, 2025 MAR, Notice No. 2025-104, Eff. 7/1/25.