Part III. Administrative, Procedural, and Miscellaneous
Internal Revenue Bulletin 2007-28 · 2026-10-03 edition · updated 2026-10-04 · United States
26 CFR 601.201: Rulings and determination letters. (Also, Part I, §§ 401; 1.401(b)–1.)
Rev. Proc. 2007–44
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