26 U.S. Code § 6680 - Repealed. Pub. L. 94–455, title XIX, § 1904(b)(10)(A)(vi)(I), Oct. 4, 1976, 90 Stat. 1817]

Section, added Pub. L. 88–563, § 6(a), Sept. 2, 1964, 78 Stat. 845; amended Pub. L. 91–128, § 4(h)(1), Nov. 26, 1969, 83 Stat. 268; Pub. L. 92–9, § 3(j)(2), Apr. 1, 1971, 85 Stat. 22, related to failure to file interest equalization tax returns.