Eisner v. Macomber (1920)
• “Thus, from every point of view we are brought irresistibly to the conclusion that neither under the Sixteenth Amendment nor otherwise has Congress power to tax without apportionment a true stock dividend made lawfully and in good faith, or the accumulated profits behind it, as income of the stockholder.”
•     Eisner v. Macomber, 252 U.S. 189, 219 (1920)