CFR›Title 29›Subtitle B›Chapter XL›29 CFR Part 4220 Citation29 CFR Part 4220ContainsSections § 4220.1–§ 4220.4CorpusDaily eCFRDisplayed edition2026-10-21Last updated2026-10-21 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.