CFR›Title 29›Subtitle B›Chapter XL›Part 4050›Subpart B ContainsSections 4050.201–4050.207CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart B—Defined Contribution Plans Sections 4050.201 § 4050.201 Purpose and scope. 4050.202 § 4050.202 Definitions. 4050.203 § 4050.203 Options and duties of plan. 4050.204 § 4050.204 Diligent search. 4050.205 § 4050.205 Filing with PBGC. 4050.206 § 4050.206 Missing participant benefits. 4050.207 § 4050.207 PBGC discretion. Previous A Subpart A—Single-Employer Plans Covered by Title IV Next C Subpart C—Certain Defined Benefit Plans Not Covered by Title IV