[Code of Federal Regulations]
[Title 50, Volume 7]
[Revised as of October 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 50CFR424.19]

[Page 830-831]
 
                    TITLE 50--WILDLIFE AND FISHERIES
 
CHAPTER IV--JOINT REGULATIONS (UNITED STATES FISH AND WILDLIFE SERVICE, 
 
PART 424_LISTING ENDANGERED AND THREATENED SPECIES AND DESIGNATING CRITICAL HABITAT--Table of Contents
 
                     Subpart B_Revision of the Lists
 
Sec.  424.19  Final rules--impact analysis of critical habitat.

    The Secretary shall identify any significant activities that would 
either affect an area considered for designation as critical habitat or 
be likely to be affected by the designation, and shall, after proposing 
designation of such an area, consider the probable economic and other 
impacts of the designation upon proposed or ongoing activities. The 
Secretary may exclude any portion of such an area from the critical 
habitat if the benefits of such exclusion outweigh the benefits of 
specifying the area as part of the critical habitat. The Secretary shall 
not exclude any such

[[Page 831]]

area if, based on the best scientific and commercial data available, he 
determines that the failure to designate that area as critical habitat 
will result in the extinction of the species concerned.