FEDERAL · CFR

Title 43Public Lands: Interior

179 parts. Last amended February 24, 2026. View on eCFR ↗

Part 1Practices Before the Department of the InteriorPart 2Freedom of Information Act; Records and TestimonyPart 3Preservation of American AntiquitiesPart 4Department of the Interior Hearings and Appeals ProceduresPart 5Commercial Filming and Similar Projects and Still Photography on Certain Areas Under Department JurisdictionPart 6Patent RegulationsPart 7Protection of Archaeological ResourcesPart 8Joint Policies of the Departments of the Interior and of the Army Relative to Reservoir Project LandsPart 9Intergovernmental Review of Department of the Interior Programs and ActivitiesPart 10Native American Graves Protection and Repatriation RegulationsPart 11Natural Resource Damage AssessmentsPart 13Vending Facilities Operated by Blind PersonsPart 14Petitions for RulemakingPart 15Key Largo Coral Reef PreservePart 16Conservation of HeliumPart 17Nondiscrimination in Federally Assisted Programs of the Department of the InteriorPart 18New Restrictions on LobbyingPart 19Wilderness PreservationPart 20Employee Responsibilities and ConductPart 21Occupancy of Cabin Sites on Public Conservation and Recreation AreasPart 22Administrative Claims Under the Federal Tort Claims Act and Indemnification of Department of the Interior EmployeesPart 23Surface Exploration, Mining and Reclamation of LandsPart 24Department of the Interior Fish and Wildlife Policy: State-Federal RelationshipsPart 26Grants to States for Establishing Youth Conservation Corps ProgramsPart 27Nondiscrimination in Activities Conducted Under Permits, Rights-of-Way, Public Land Orders, and Other Federal Authorizations Granted or Issued Under Title II of Public Law 93-153Part 28Fire Protection Emergency AssistancePart 29Trans-Alaska Pipeline Liability FundPart 30Indian Probate Hearings ProceduresPart 32Grants to States for Establishing Young Adult Conservation Corps (YACC) ProgramPart 33Allocation of Duty-Free Watches from the Virgin Islands, Guam, and American Samoa [Note]Part 34Requirements for Equal Opportunity During Construction and Operation of the Alaska Natural Gas Transportation SystemPart 35Administrative Remedies for Fraudulent Claims and StatementsPart 36Transportation and Utility Systems in and Across, and Access into, Conservation System Units in AlaskaPart 37Cave ManagementPart 38Pay of U.S. Park Police—Interim Geographic AdjustmentsPart 39Collection of Debts by Administrative Wage GarnishmentPart 41Nondiscrimination on the Basis of Sex in Education Programs or Activities Receiving Federal Financial AssistancePart 44Financial Assistance, Local GovernmentsPart 45Conditions and Prescriptions in FERC Hydropower LicensesPart 46Implementation of the National Environmental Policy Act of 1969Part 47Land Exchange ProceduresPart 48Amendments to the Hawaiian Homes Commission ActPart 49Paleontological Resources PreservationPart 50Procedures for Reestablishing a Formal Government-to-Government Relationship with the Native Hawaiian CommunityPart 51Subsistence Management Regulations for Public Lands in AlaskaPart 100Waiving Departmental Review of Appraisals and Valuations of Indian PropertyPart 402Sale of Lands in Federal Reclamation ProjectsPart 404Reclamation Rural Water Supply ProgramPart 413Assessment by Irrigation Districts of Lands Owned by the United States, Columbia Basin Project, WashingtonPart 414Offstream Storage of Colorado River Water and Development and Release of Intentionally Created Unused Apportionment in the Lower Division StatesPart 417Procedural Methods for Implementing Colorado River Water Conservation Measures with Lower Basin Contractors and OthersPart 418Operating Criteria and Procedures for the Newlands Reclamation Project, NevadaPart 419Truckee River Operating AgreementPart 420Off-Road Vehicle UsePart 422Law Enforcement Authority at Bureau of Reclamation ProjectsPart 423Public Conduct on Bureau of Reclamation Facilities, Lands, and WaterbodiesPart 424Regulations Pertaining to Standards for the Prevention, Control, and Abatement of Environmental Pollution of Conconully Lake and Conconully Reservoir, Okanogan County, Wash.Part 426Acreage Limitation Rules and RegulationsPart 427Water Conservation Rules and RegulationsPart 428Information Requirements for Certain Farm Operations in Excess of 960 Acres and the Eligibility of Certain Formerly Excess LandPart 429Use of Bureau of Reclamation Land, Facilities, and WaterbodiesPart 430Rules for Management of Lake BerryessaPart 431General Regulations for Power Generation, Operation, Maintenance, and Replacement at the Boulder Canyon Project, Arizona/NevadaPart 1600Planning, Programming, BudgetingPart 1780Cooperative RelationsPart 1810Introduction and General GuidancePart 1820Application ProceduresPart 1840Appeals ProceduresPart 1860Conveyances, Disclaimers and Correction DocumentsPart 1870Adjudication Principles and ProceduresPart 1880Financial Assistance, Local GovernmentsPart 2090Special Laws and RulesPart 2200Exchanges: General ProceduresPart 2300Land WithdrawalsPart 2360National Petroleum Reserve in AlaskaPart 2370Restorations and RevocationsPart 2400Land ClassificationPart 2410Criteria for All Land ClassificationsPart 2420Multiple-Use Management ClassificationsPart 2430Disposal ClassificationsPart 2440Segregation by ClassificationPart 2450Petition-Application Classification SystemPart 2460Bureau Initiated Classification SystemPart 2470Postclassification ActionsPart 2520Desert-Land EntriesPart 2530Indian AllotmentsPart 2540Color-of-Title and Omitted LandsPart 2560Alaska Occupancy and UsePart 2610Carey Act GrantsPart 2620State GrantsPart 2630Railroad GrantsPart 2640FAA Airport GrantsPart 2650Alaska Native SelectionsPart 2710Sales: Federal Land Policy and Management ActPart 2720Conveyance of Federally-Owned Mineral InterestsPart 2740Recreation and Public Purposes ActPart 2800Rights-of-Way Under the Federal Land Policy and Management ActPart 2810Tramroads and Logging RoadsPart 2860Communications UsesPart 2880Rights-of-Way Under the Mineral Leasing ActPart 2910LeasesPart 2920Leases, Permits and EasementsPart 2930Permits for Recreation on Public LandsPart 3000Minerals Management: GeneralPart 3100Oil and Gas LeasingPart 3120Competitive LeasesPart 3130Oil and Gas Leasing: National Petroleum Reserve, AlaskaPart 3140Leasing in Special Tar Sand AreasPart 3150Onshore Oil and Gas Geophysical ExplorationPart 3160Onshore Oil and Gas OperationsPart 3170Onshore Oil and Gas ProductionPart 3180Onshore Oil and Gas Unit Agreements: Unproven AreasPart 3190Delegation of Authority, Cooperative Agreements and Contracts for Oil and Gas InspectionPart 3200Geothermal Resource LeasingPart 3280Geothermal Resources Unit AgreementsPart 3400Coal Management: GeneralPart 3410Exploration LicensesPart 3420Competitive LeasingPart 3430Noncompetitive LeasesPart 3440Licenses to MinePart 3450Management of Existing LeasesPart 3460EnvironmentPart 3470Coal Management Provisions and LimitationsPart 3480Coal Exploration and Mining Operations RulesPart 3500Leasing of Solid Minerals Other Than Coal and Oil ShalePart 3580Special Leasing AreasPart 3590Solid Minerals (Other Than Coal) Exploration and Mining OperationsPart 3600Mineral Materials DisposalPart 3620Free Use of Petrified WoodPart 3710Public Law 167; Act of July 23, 1955Part 3730Public Law 359; Mining in Powersite Withdrawals: GeneralPart 3740Public Law 585; Multiple Mineral DevelopmentPart 3800Mining Claims Under the General Mining LawsPart 3810Lands and Minerals Subject to LocationPart 3820Areas Subject to Special Mining LawsPart 3830Administration of Mining Claims and Sites; General ProvisionsPart 3832Locating Mining Claims or SitesPart 3833Recording Mining Claims and SitesPart 3834Required Fees for Mining Claims or SitesPart 3835Waivers from Annual Maintenance FeesPart 3836Annual Assessment Work Requirements for Mining ClaimsPart 3837Acquiring a Delinquent Co-Claimant's Interests in a Mining Claim or SitePart 3838Special Procedures for Locating and Recording Mining Claims and Tunnel Sites on Stockraising Homestead Act (SRHA) LandsPart 3860Mineral Patent ApplicationsPart 3870Adverse Claims, Protests and ConflictsPart 3900Oil Shale Management—GeneralPart 3910Oil Shale Exploration LicensesPart 3920Oil Shale LeasingPart 3930Management of Oil Shale Exploration and LeasesPart 4100Grazing Administration—Exclusive of AlaskaPart 4200Grazing Administration; Alaska; LivestockPart 4300Grazing Administration; Alaska; Reindeer; GeneralPart 4600Leases of Grazing Land—Pierce ActPart 4700Protection, Management, and Control of Wild Free-Roaming Horses and BurrosPart 5000Administration of Forest Management DecisionsPart 5040Sustained-Yield Forest UnitsPart 5400Sales of Forest Products; GeneralPart 5410Annual Timber Sale PlanPart 5420Preparation for SalePart 5430AdvertisementPart 5440Conduct of SalesPart 5450Award of ContractPart 5460Sales AdministrationPart 5470Contract Modification—Extension—AssignmentPart 5500Nonsale Disposals; GeneralPart 5510Free Use of TimberPart 6100Ecosystem ResiliencePart 6300Management of Designated Wilderness AreasPart 8200ProceduresPart 8340Off-Road VehiclesPart 8350Management AreasPart 8360Visitor ServicesPart 9180Cadastral SurveyPart 9210Fire ManagementPart 9230TrespassPart 9260Law Enforcement—CriminalPart 10000Organization and FunctionsPart 10005Policies and Procedures for Developing and Implementing the Commission's Mitigation and Conservation PlanPart 10010Policies and Procedures for Implementing the National Environmental Policy Act