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The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.


Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
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Electronic Code of Federal Regulations

Electronic Code of Federal Regulations

e-CFR data is current as of May 20, 2015

Title 45Subtitle BChapter VIPart 640


TITLE 45—Public Welfare

SUBTITLE B—REGULATIONS RELATING TO PUBLIC WELFARE (CONTINUED)

CHAPTER VI—NATIONAL SCIENCE FOUNDATION

PART 640—COMPLIANCE WITH THE NATIONAL ENVIRONMENTAL POLICY ACT

rule
§640.1
Purpose.
§640.2
Committee on Environmental Matters.
§640.3
Actions requiring an environmental assessment and categorical exclusions.
§640.4
Responsibilities and procedures for preparation of an environmental assessment.
§640.5
Responsibilities and procedures for preparation of an environmental impact statement.

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