CFR›Title 45›Subtitle A›Part 91›Subpart A ContainsSections 91.1–91.4CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Sections 91.1 § 91.1 What is the purpose of the Age Discrimination Act of 1975? 91.2 § 91.2 What is the purpose of HHS' age discrimination regulations? 91.3 § 91.3 To what programs or activities do these regulations apply? 91.4 § 91.4 Definition of terms used in these regulations. Next B Subpart B—Standards for Determining Age Discrimination