CFR›Title 43›Subtitle A›Part 1 ContainsSections 1.1–1.6CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 1—PRACTICES BEFORE THE DEPARTMENT OF THE INTERIOR Sections 1.1 § 1.1 Purpose. 1.2 § 1.2 Definitions. 1.3 § 1.3 Who may practice. 1.4 § 1.4 Disqualifications. 1.5 § 1.5 Signature to constitute certificate. 1.6 § 1.6 Disciplinary proceedings. AuthoritySec. 5, 23 Stat. 101; 43 U.S.C. 1464.Source29 FR 143, Jan. 7, 1964, unless otherwise noted. Next 2 Part 2—Freedom of Information Act; Records and Testimony