Colorado Code
Article 14 - Measurement Standards
§ 35-14-103. Systems of Weights and Measures - Customary or Metric

The inch pound system and the metric system of weights and measures are jointly valid, and either one or both of these systems shall be used for all commercial purposes in this state. The definitions of basic units of weights and measures, the tables of weights and measures, and the equivalents of weights and measures, as published by the national institute of standards and technology, are recognized and shall govern weighing and measuring equipment and transactions in this state.
Source: L. 83: Entire article R&RE, p. 1342, § 1, effective July 1. L. 95: Entire section amended, p. 894, § 2, effective July 1.

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