CFR›Title 29›Subtitle B›Chapter XL›Part 4000›Subpart A ContainsSections 4000.1–4000.5CorpusDaily eCFRDisplayed edition2026-07-06Last updated2026-07-06 Subpart A—Filing Rules Sections 4000.1 § 4000.1 What are these filing rules about? 4000.2 § 4000.2 What definitions do I need to know for these rules? 4000.3 § 4000.3 What methods of filing may I use? 4000.4 § 4000.4 Where do I file my submission? 4000.5 § 4000.5 Does the PBGC have discretion to waive these filing requirements? Next B Subpart B—Issuance Rules