U.S. Code / Title 26 — Internal Revenue Code / Subtitle F—Procedure and Administration / Chapter 78—Discovery of Liability and Enforcement…Title 26[subchapter[Subchapter C—Repealed]Contents[§7641. Repealed. Pub. L. 94–455, title XIX, §1906(a)(54), Oct. 4, 1976, 90 Stat. 1832]