federal preemption test
Defined in 1 dictionary — Case Law
Definitions from Case Law
From 315 U.S. 148 - Cloverleaf Butter Co. v. Patterson, Commissioner of Agriculture & Industries · 1942Most cited · 416 citing opinions
The test to be applied to the action of the state in seizing material intended solely for incorporation into a product prepared for interstate commerce is the effect of that action upon the national regulatory policy declared by the federal statute