Site Feedback

Title 43

Displaying title 43, up to date as of 9/23/2021. Title 43 was last amended 9/07/2021.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 43 Public Lands: Interior Part / Section
Subtitle A Office of the Secretary of the Interior 1 – 199
Part 46 Implementation of the National Environmental Policy Act of 1969 46.10 – 46.450
Subpart A General Information 46.10 – 46.30
§ 46.10 Purpose of this part.
§ 46.20 How to use this part.
§ 46.30 Definitions.
Subpart B Protection and Enhancement of Environmental Quality 46.100 – 46.170
Subpart C Initiating the NEPA Process 46.200 – 46.240
§ 46.200 Applying NEPA early.
§ 46.205 Actions categorically excluded from further NEPA review.
§ 46.210 Listing of Departmental categorical exclusions.
§ 46.215 Categorical exclusions: Extraordinary circumstances.
§ 46.220 How to designate lead agencies.
§ 46.225 How to select cooperating agencies.
§ 46.230 Role of cooperating agencies in the NEPA process.
§ 46.235 NEPA scoping process.
§ 46.240 Establishing time limits for the NEPA process.
Subpart D Environmental Assessments 46.300 – 46.325
§ 46.300 Purpose of an environmental assessment and when it must be prepared.
§ 46.305 Public involvement in the environmental assessment process.
§ 46.310 Contents of an environmental assessment.
§ 46.315 How to format an environmental assessment.
§ 46.320 Adopting environmental assessments prepared by another agency, entity, or person.
§ 46.325 Conclusion of the environmental assessment process.
Subpart E Environmental Impact Statements 46.400 – 46.450