U.S. Code / Title 26 — Internal Revenue Code / Subtitle A—Income Taxes / Chapter 1—Normal Taxes and Surtaxes / Subchapter I—Natural ResourcesTitle 26[part[Part II—Repealed]Contents[§621. Repealed. Pub. L. 101–508, title XI, §11801(a)(28), Nov. 5, 1990, 104 Stat. 1388–521]