Commerce
Commerce means trade, traffic, commerce, transportation, or communication among the several States, or between a State and any place outside thereof, or within the District of Columbia, or a possession of the United States (other than the Trust Territory of the Pacific Islands), or between points in the same State but through a point outside thereof;
Source
29 CFR § 1910.2
Scoping language
As used in this part, unless the context clearly requires otherwise: