CFR›Title 15›Subtitle A›Part 20›Subpart B ContainsSections 20.4–20.6CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—Standards for Determining Age Discrimination Sections 20.4 § 20.4 Rules against age discrimination. 20.5 § 20.5 Exceptions to the rules. 20.6 § 20.6 Burden of proof. Previous A Subpart A—General Next C Subpart C—Responsibilities of DOC Recipients