--- type: "LegalText" title: "26 U.S.C. § 6680" description: "Repealed. Pub. L. 94–455, title XIX, § 1904(b)(10)(A)(vi)(I), Oct. 4, 1976, 90 Stat. 1817]" jurisdiction: "us" corpus: "united_states_code" kind: "code_section" title_number: 26 title_name: "INTERNAL REVENUE CODE" chapter_number: "68" chapter_name: "ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES" section: "6680" citation: "26 U.S.C. § 6680" status: "current" release_point: "119-100" release_date: "2026-06-26" source: "official" source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc26@119-100.zip" source_identifier: "/us/usc/t26/s6680" source_file: "data/legal/raw/us/code/title-26/usc26.xml" source_hash: "a5ba920d3734cc8638d4b43765967332fe50ffd0435765c811b69e49478dc316" raw_snapshot_hash: "a261f094809116f42a96648a3d5eee80fa010379d67412551c21dd5c900b27f4" text_hash: "6f43c3b595529a239d93d93c1b1570adc97b142d82bbc49e3d6cb1de23874d6e" retrieved_at: "2026-07-04" confidence: "official" tags: ["legal", "us-code"] --- # 26 U.S.C. § 6680 - Repealed. Pub. L. 94–455, title XIX, § 1904(b)(10)(A)(vi)(I), Oct. 4, 1976, 90 Stat. 1817] ## Notes 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.