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Title 15 — Commerce and Trade

Chapter 6 — Weights and Measures and Standard Time

§ 205. Metric system defined

Statutory text

The metric system of measurement shall be defined as the International System of Units as established in 1960, and subsequently maintained, by the General Conference of Weights and Measures, and as interpreted or modified for the United States by the Secretary of Commerce.

Legislative history

Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.

  1. R.S. § 3570

    Enacted · 15 U.S.C. § 205

    R.S. § 3570

    Unresolved: No Public Law or Statutes at Large citation in the Code source.

    Source evidence

    Code source credit
    R.S. § 3570

  2. America COMPETES Act

    Pub. L. 110–69 title III § 3013(c)(1) · 121 Stat. 572

    Amended · 15 U.S.C. § 205

    Pub. L. 110–69 amended section generally. Prior to amendment, section read as follows: “The tables in the schedule annexed shall be recognized in the construction of contracts and in all legal proceedings as establishing, in terms of the weights and measures on June 22, 1874, in use in the United States, the equivalents of the weights and measures expressed therein in terms of the metric system; and the tables may lawfully be used for computing, determining, and expressing in customary weights and measures the weights and measures of the metric system.”

    Source evidence

    Code amendment note
    Pub. L. 110–69 amended section generally. Prior to amendment, section read as follows: “The tables in the schedule annexed shall be recognized in the construction of contracts and in all legal proceedings as establishing, in terms of the weights and measures on June 22, 1874, in use in the United States, the equivalents of the weights and measures expressed therein in terms of the metric system; and the tables may lawfully be used for computing, determining, and expressing in customary weights and measures the weights and measures of the metric system.”

    Enacted provision · exact public law section
    (1) Redefinition of the metric system.— Section 3570 of the Revised Statutes of the United States (derived from section 2 of the Act of July 28, 1866, entitled “An Act to authorize the Use of the Metric System of Weights and Measures” (15 U.S.C. 205; 14 Stat. 339)) is amended to read as follows: “SEC. 3570. METRIC SYSTEM DEFINED.   “The metric system of measurement shall be defined as the International System of Units as established in 1960, and subsequently maintained, by the General Conference of Weights and Measures, and as interpreted or modified for the United States by the Secretary of Commerce.” .

1 of 2 references resolved to an enrolled provision · 1 unresolved

Editorial Notes

Codification

R.S. § 3570 derived from act July 28, 1866, ch. 301, § 2, 14 Stat. 339, 340.

Amendments

2007—Pub. L. 110–69 amended section generally. Prior to amendment, section read as follows: “The tables in the schedule annexed shall be recognized in the construction of contracts and in all legal proceedings as establishing, in terms of the weights and measures on , in use in the United States, the equivalents of the weights and measures expressed therein in terms of the metric system; and the tables may lawfully be used for computing, determining, and expressing in customary weights and measures the weights and measures of the metric system.”

Credits

2007 · 2 acts
  1. R.S. § 3570
  2. 2007Pub. L. 110–69, title III, § 3013(c)(1), , 121 Stat. 598.
Show as published

(R.S. § 3570; Pub. L. 110–69, title III, § 3013(c)(1), , 121 Stat. 598.)

Parsed from the official OLRC USLM XML in data/usc_all/usc15.xml · release point 119-108 · OLRC build 2026-09-09

USLM identifier /us/usc/t15/s205