20 CFR 404.1740 : Employees' Benefits (§ 1.1 To Parts 1011-1099) — (Part 400 To Part 499) — Social Security Administration (Part 400 To Part 499) — Federal Old-Age, Survivors And Disability Insurance (1950- ) (§ 404.1 To § 404.2127) — Representation Of Parties (§ 404.1700 To § 404.1799) — Rules of conduct and standards of responsibility for representatives.