الحكومة الفيدرالية للولايات المتحدة
James v. Dravo Contracting Co., 302 U.S. 134 (1937), is a 5-to-4 ruling by the Supreme Court of the United States that a state's corporate income tax did not violate the Supremacy Clause (Article Six, Clause 2) of the United States Constitution by taxing the Federal government of the United States.