43 C.F.R. § 4.100 – Purpose and scope.

(a) Purpose. This subpart contains the general procedural rules for practice before the Departmental Cases Hearings Division (DCHD) at §§ 4.100 through 4.131, as well as the specific rules applicable to certain types of proceedings before DCHD at §§ 4.150 through 4.175.
(b) Scope. The general procedural rules for practice before DCHD at §§ 4.100 through 4.131 apply to all types of proceedings within the jurisdiction of DCHD except the following:
1. (1) Hydropower proceedings governed by part 45 of this title;
2. (2) Tribal Acknowledgement proceedings governed by subpart K of this part;
3. (3) Indian Self-Determination and Education Assistance Act proceedings governed by 25 CFR part 900 and 42 CFR part 137, subpart P;
4. (4) Administrative Remedies for Fraudulent Claims and Statements governed by 43 CFR part 35 of this title; and
5. (5) Debt collection proceedings governed by the Departmental Manual.
(c) Subparts A and B. The general rules contained in subparts A and B of this part are applicable to proceedings before DCHD unless they are inconsistent with the rules in this subpart. Subpart A contains the authority, jurisdiction, and membership of DCHD. Subpart B contains the general rules applicable to proceedings before DCHD and other components of the Office of Hearings and Appeals (OHA).
(d) Other regulations. Rules applicable to specific types of proceedings within the jurisdiction of DCHD are contained throughout title 43 and in other portions of the Code of Federal Regulations, including, but not limited to, titles 25, 30, 34, and 50. To the extent that a rule applicable to a specific type of proceeding directly conflicts with the general procedural rules for practice before DCHD in this subpart, the specific rule will apply. If a specific rule contains references to outdated or inapplicable procedures, the ALJ may direct the parties, in writing, to follow some or all of the procedures contained in the general procedural rules for practice before DCHD in this subpart.
(e) Standing Orders. Standing Orders issued by the Director of OHA may also apply to proceedings before DCHD. Standing Orders are available on the Department of the Interior OHA website at https://www.doi.gov/oha.