Flora v. United States
Flora v. United States, 357 U.S. 63 (1958), affirmed on rehearing, 362 U.S. 145 (1960), was a case in which the Supreme Court of the United States held that a taxpayer generally must pay the full amount of an income tax deficiency assessed by the Commissioner of Internal Revenue before he may challenge its correctness by a suit in a federal district court for refund under 28 U.S.C. § 1346(a)(1).