45 CFR 302.1 : Public Welfare (Part 1 To Parts 2557-2599) — (Part 200 To Parts 412-499) — Regulations Relating To Public Welfare (Part 200 To Parts 412-499) — Office Of Child Support Enforcement (Child Support Enforcement Program), Administration For Children And Families, Department Of Health And Human Services (Part 300 To Parts 311-399) — State Plan Requirements (§ 302.0 To § 302.85) — Definitions.