United States Code

USC most recently checked for updates: Dec 16, 2019

§ 204.
Metric system authorized

It shall be lawful throughout the United States of America to employ the weights and measures of the metric system; and no contract or dealing, or pleading in any court, shall be deemed invalid or liable to objection because the weights or measures expressed or referred to therein are weights or measures of the metric system.

(R.S. § 3569.)
cite as: 15 USC 204