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Regulations last checked for updates: Mar 12, 2026
Title 43 - Public Lands: Interior last revised: Feb 24, 2026
All Titles
Title 43
Part 1 - PART 1—PRACTICES BEFORE THE DEPARTMENT OF THE INTERIOR
§ 1.1 - Purpose.
§ 1.2 - Definitions.
§ 1.3 - Who may practice.
§ 1.4 - Disqualifications.
§ 1.5 - Signature to constitute certificate.
§ 1.6 - Disciplinary proceedings.
authority:
Sec. 5, 23 Stat. 101;
43 U.S.C. 1464.
source:
29 FR 143, Jan. 7, 1964, unless otherwise noted.
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