U.S. Code
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Title 26
» Subtitle Subtitle F— Procedure and Administration › Chapter CHAPTER 68— ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES › Subchapter Subchapter B— Assessable Penalties › Part PART I— GENERAL PROVISIONS
26 U.S.C. § 6680
Repealed. Pub. L. 94–455, title XIX, § 1904(b)(10)(A)(vi)(I), Oct. 4, 1976, 90 Stat. 1817]