CFR›Title 6›Chapter I›Part 11 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 11—CLAIMS Subparts A Subpart A—Debt Collection Sections 11.1–11.15 B Subpart B [Reserved] Authority5 U.S.C. 301, 5514; 26 U.S.C. 6402, 31 U.S.C. 3701, 3711, 3716, 3717, 3718, 3720A, 3720B, 3720D; Pub. L. 107-296, 116 Stat. 2135 (6 U.S.C. 1 et seq.).Source72 FR 4190, Jan. 30, 2007, unless otherwise noted. Previous 9 Part 9—Restrictions Upon Lobbying Next 13 Part 13—Administrative Remedies for False Claims and Statements