CFR›Title 31›Subtitle A›Part 23›Subpart A ContainsSections 23.1–23.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Sections 23.1 § 23.1 What is the purpose of the Age Discrimination Act of 1975? 23.2 § 23.2 What is the purpose of Treasury's age discrimination regulations? 23.3 § 23.3 To what programs does this part apply? 23.4 § 23.4 Definition of terms used in this part. Next B Subpart B—Standards for Determining Age Discrimination