[Code of Federal Regulations]
[Title 50, Volume 7]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 50CFR216.257]

[Page 90]
 
                    TITLE 50--WILDLIFE AND FISHERIES
 
  CHAPTER II--NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND 
           ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE
 
PART 216_REGULATIONS GOVERNING THE TAKING AND IMPORTING OF MARINE 
 
   Subpart W_Taking Marine Mammals Incidental to Conducting Precision 
              Strike Weapon Missions in the Gulf of Mexico
 
Sec. 216.257  Letters of Authorization.

    (a) A Letter of Authorization, unless suspended or revoked, will be 
valid for a period of time specified in the Letter of Authorization, but 
may not to exceed the period of validity of this subpart, and must be 
renewed annually subject to annual renewal conditions in Sec. 216.258.
    (b) A Letter of Authorization with a period of validity less than 
the period of this subpart may be renewed subject to renewal conditions 
in Sec. 216.258.
    (c) Each Letter of Authorization will set forth:
    (1) Permissible methods of incidental taking;
    (2) Means of effecting the least practicable adverse impact on the 
species, its habitat, and on the availability of the species for 
subsistence uses; and
    (3) Requirements for monitoring and reporting incidental takes.
    (d) Issuance and renewal of the Letter of Authorization will be 
based on a determination that the total number of marine mammals taken 
by the activity as a whole will have no more than a negligible impact on 
the species or stock of affected marine mammals.
    (e) Except for the initial Letter of Authorization, notice of 
issuance or denial of subsequent Letters of Authorization will be 
published in the Federal Register within 30 days of a determination.