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DOI/FWS RIN: 1018-AX49 Publication ID: Spring 2014 
Title: Policy on Interpretation of the Phrase "Significant Portion of its Range" in the ESA's Definitions of "Endangered Species" and "Threatened Species" 
Abstract: We, the U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS) (collectively, the Services), are developing a policy to provide our interpretation of the phrase ``significant portion of its range'' in the Endangered Species Act's definitions of ``endangered species'' and ``threatened species.'' The phrase is ambiguous and is not defined in the Act, and its interpretation and application have been subject to litigation. The FWS's current interpretation has been rejected by the court. The purpose of this policy is to provide an interpretation and application of ``significant portion of its range'' that reflects a permissible reading of the law and its legislative history and minimizes undesirable policy outcomes, while fulfilling the conservation purposes of the Act. Our intent is to publish a final policy that will provide a consistent standard for interpretation of the phrase and its role in listing determinations that will be accorded deference by the Federal courts. 
Agency: Department of the Interior(DOI)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: None     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: 16 USC 1531 et seq   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Notice--Draft Policy  12/09/2011  76 FR 76987   
Notice--Draft Policy Comment Period End  02/07/2012 
Notice--Draft Policy Comment Period Extended  02/07/2012  77 FR 6138   
Notice--Draft Policy Comment Period Extended End  03/08/2012 
Final Action  06/00/2014 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Federalism: No 
Included in the Regulatory Plan: No 
International Impacts: This regulatory action will be likely to have international trade and investment effects, or otherwise be of international interest.
RIN Data Printed in the FR: No 
Related Agencies: Joint: DOC/NOAA; 
Agency Contact:
Don R. Morgan
Chief, Branch of Delisting and Foreign Species, Ecological Services
Department of the Interior
United States Fish and Wildlife Service
ARLSQ-420, 5275 Leesburg Pike, MS: ES,
Falls Church, VA 22041-3808
Phone:703 358-2444
Fax:703 358-1735
Email: don_morgan@fws.gov