Milwaukee v. White, 296 U.S. 268 (1935)
LINK TO CASE: https://scholar.google.com/scholar_case?case=5901183028124997123
SIGNIFICANCE: Declare income taxation “quasi-contractual”
“Even if the judgment is deemed to be colored by the nature of the obligation whose validity it establishes, and we are free to re-examine it, and, if we find it to be based on an obligation penal in character, to refuse to enforce it outside the state where rendered, see Wisconsin v. Pelican Insurance Co., 127 U.S. 265, 292, et seq. 8 S.Ct. 1370, compare Fauntleroy v. Lum, 210 U.S. 230, 28 S.Ct. 641, still the obligation to pay taxes is not penal. It is a statutory liability, quasi contractual in nature, enforceable, if there is no exclusive statutory remedy, in the civil courts by the common-law action of debt or indebitatus assumpsit. United States v. Chamberlin, 219 U.S. 250, 31 S.Ct. 155; Price v. United States, 269 U.S. 492, 46 S.Ct. 180; Dollar Savings Bank v. United States, 19 Wall. 227; and see Stockwell v. United States, 13 Wall. 531, 542; Meredith v. United States, 13 Pet. 486, 493. This was the rule established in the English courts before the Declaration of Independence. Attorney General v. Weeks, Bunbury’s Exch. Rep. 223; Attorney General v. Jewers and Batty, Bunbury’s Exch. Rep. 225; Attorney General v. Hatton, Bunbury’s Exch. Rep. [296 U.S. 268, 272] 262; Attorney General v. _ _, 2 Ans.Rep. 558; see Comyn’s Digest (Title ‘Dett,’ A, 9); 1 Chitty on Pleading, 123; cf. Attorney General v. Sewell, 4 M.&W. 77. “
[Milwaukee v. White, 296 U.S. 268 (1935)]