CFR›Title 29›Subtitle B›Chapter XL›Part 4220 ContainsSections 4220.1–4220.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 4220—PROCEDURES FOR PBGC APPROVAL OF PLAN AMENDMENTS Sections 4220.1 § 4220.1 Purpose and scope. 4220.2 § 4220.2 Definitions. 4220.3 § 4220.3 Requests for PBGC approval. 4220.4 § 4220.4 PBGC action on requests. Authority29 U.S.C. 1302(b)(3), 1400.Source61 FR 34108, July 1, 1996, unless otherwise noted. Previous 4219 Part 4219—Notice, Collection, and Redetermination of Withdrawal Liability Next 4221 Part 4221—Arbitration of Disputes in Multiemployer Plans