U.S. Constitution, Article I — The Legislative Branch, Section 8, Clause 3
To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes;
Notes
Allows Congress to regulate commerce with foreign nations, among the several states, and with the Indian tribes. The power covers three separate areas of trade: trade with other countries, trade between the states, and trade with tribes, and it is placed with Congress rather than the states.
Use as reference
Lexinter.net | U.S. Const. art. I, § 8, cl. 3 | https://laws.lexinter.net/constitution/us/article-1/section-8/clause-3