43 C.F.R. § 4.6
Definitions and acronyms.
Cite as 43 C.F.R. § 4.6 (2026)
In this part:
Administrative judge
or
AJ
means an administrative judge in the Office of Hearings and Appeals.
Administrative law judge
or
ALJ
means an administrative law judge in the Office of Hearings and Appeals appointed under the Administrative Procedure Act, 5 U.S.C. 3105.
Appeals Board
means the Interior Board of Land Appeals, the Interior Board of Indian Appeals, or an Ad Hoc Board of Appeals in the Office of Hearings and Appeals.
BIA
means the Bureau of Indian Affairs in the Department of the Interior.
BIE
means the Bureau of Indian Education in the Department of the Interior.
BLM
means the Bureau of Land Management in the Department of the Interior.
BOEM
means the Bureau of Ocean Energy Management in the Department of the Interior.
BOR
means the Bureau of Reclamation in the Department of the Interior.
BSEE
means the Bureau of Safety and Environmental Enforcement in the Department of the Interior.
Bureau
or
Office
means one of the bureaus or offices within the Department of the Interior, other than OHA, and may include BIA, BIE, BLM, BOEM, BOR, BSEE, FWS, ONRR, OSMRE, or any predecessor or successor organization, as appropriate.
DCHD
means the Departmental Cases Hearings Division in the Office of Hearings and Appeals.
Department
means Department of the Interior.
Director
means the Director of the Office of Hearings and Appeals.
FWS
means the U.S. Fish and Wildlife Service in the Department of the Interior.
IBIA
means the Interior Board of Indian Appeals in the Office of Hearings and Appeals.
IBLA
means the Interior Board of Land Appeals in the Office of Hearings and Appeals.
Indian probate judge
or
IPJ
means an attorney in the Office of Hearings and Appeals authorized to adjudicate Indian probate cases under 25 U.S.C. 372-2.
Interested person or entity
means any person or entity with an interest in the agency proceeding that is greater than the interest that the public as a whole may have.
Judge
means an administrative judge, an Indian probate judge, or an administrative law judge in the Office of Hearings and Appeals.
OHA
means the Office of Hearings and Appeals in the Department of the Interior.
OHA Standing Order
means a notice that contains information for parties and the public that is issued by the OHA Director pursuant to § 4.5(b)(4) and made available on the Department of the Interior OHA website at
https://www.doi.gov/oha.
OHA Unit
means the DCHD, IBIA, IBLA, or PHD
ONRR
means the Office of Natural Resources Revenue in the Department of the Interior.
OSM
or
OSMRE
means the Office of Surface Mining Reclamation and Enforcement in the Department of the Interior.
Person or entity
means an individual; a corporation; partnership; trust; institution; association; organization; any other private entity; any officer, employee, agent, department, or instrumentality of the United States; any officer, employee, agent, department, or instrumentality of any Indian Tribe; or any officer, employee, agent, department, or instrumentality of any State or political subdivision.
PHD
means the Probate Hearings Division in the Office of Hearings and Appeals.
Presiding officer
means a judge, attorney, or other official designated by the Director to adjudicate a matter pending before the Office of Hearings and Appeals.
Secretary
means the Secretary of the Interior.
Solicitor's Office
means the Department of the Interior Solicitor's office.
Standing Appeals Board
means the IBIA or IBLA.
WELSA
means White Earth Reservation Land Settlement Act.
- Cross-references to the US Code
- 25:372-2.5:3105.
- Cross-references to the CFR
- 4.5