Colorado Revised Statutes Title 35. Agriculture § 35-14-105. Technical requirements for weighing and measuring devices--certificate required--exception

(1) The specifications, tolerances, and other technical requirements, including user requirements, for commercial, law enforcement, data gathering, and other weighing and measuring devices adopted by the national conference on weights and measures and published in the national institute of standards and technology handbook 44, “Specifications, Tolerances, and Other Technical Requirements for Commercial Weighing and Measuring Devices”, and supplements or revisions to that handbook, apply to weighing and measuring devices in this state, except as modified or rejected or as otherwise specified by this article or any rule promulgated pursuant to this article. Except as provided in subsection (2) of this section, any weight or measure or any weighing or measuring instrument or device shall be issued a certificate of conformance from the national type evaluation program prior to use for commercial or law enforcement purposes.

(2) A certificate of conformance is not required for a grain protein analyzer.