318 U.S. 101 (1943) Cited 216 times 1 Legal Analyses
Finding that "in the absence of a plain indication to the contrary, . . . Congress when it enacts a statute is not making the application of the federal act dependent on state law."
272 U.S. 605 (1926) Cited 306 times 2 Legal Analyses
Holding that the BIA preempts any state law that would affect "the design, the construction, and the material of every part of the locomotive and tender and of all appurtenances"
In Union Brokerage, the Court held that a Minnesota foreign corporation qualification statute could be applied to a North Dakota customhouse brokerage firm, the business of which was related to foreign commerce, without violating the Commerce Clause because the firm had localized its business activity in Minnesota resulting in "a wide variety of dealings with the people in the community."
Stating that quarantine laws "cannot . . . be made the cover for discriminations and arbitrary enactments having no reasonable relation to health; . . . ."