18 U.S.C. § 10 : US Code - Section 10: Interstate commerce and foreign commerce defined

Search 18 U.S.C. § 10 : US Code - Section 10: Interstate commerce and foreign commerce defined

The term "interstate commerce", as used in this title, includes
commerce between one State, Territory, Possession, or the District
of Columbia and another State, Territory, Possession, or the
District of Columbia.
The term "foreign commerce", as used in this title, includes
commerce with a foreign country.