Commerce Clause

Definition

A provision of the U.S. Constitution (Article I, Section 8) that gives Congress exclusive power over trade activities among the states and with foreign countries and Indian tribes.

Related terms

Interstate Commerce: Trade between two or more states which can be regulated by federal government under the commerce clause.

Intrastate Commerce: Trade occurring within one state which cannot be regulated by federal government unless it affects interstate activity.

Supremacy Clause: Part of Article VI of the Constitution stating that all laws made furthering the Constitution and all treaties made under authority of United States are supreme law of land.