Must Hatch Incubator Co. v. Patterson

Alleging them to be in violation of the commerce clause of the Constitution, these suits were -brought, one in Oregon and the other in Washington, to enjoin and restrain the enforcement of board or department regulations of the respective states, prohibiting the shipment or bringing into those states of baby chicks, unless accompanied by an official health certificate showing that they are, and have come, from parent stock which has been found free from bacillary white diarrhea, by • application of the agglutination test within 12' months immediately prior to their importation or such other…