CFR›Title 29›Subtitle B›Chapter XL›Part 4003 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 4003—RULES FOR ADMINISTRATIVE REVIEW OF AGENCY DECISIONS Subparts A Subpart A—General Provisions Sections 4003.1–4003.10 B Subpart B—Initial Determinations Sections 4003.21–4003.22 C Subpart C—Reconsideration of Initial Determinations Sections 4003.31–4003.35 D Subpart D—Administrative Appeals Sections 4003.51–4003.61 Authority29 U.S.C. 1302(b)(3).Source61 FR 34012, July 1, 1996, unless otherwise noted. Previous 4002 Part 4002—Bylaws of the Pension Benefit Guaranty Corporation Next 4006 Part 4006—Premium Rates