50 CFR 217.177 - Letters of Authorization.

§ 217.177 Letters of Authorization.
(a) A Letter of Authorization, unless suspended or revoked, shall be valid for a period of time not to exceed the period of validity of this subpart.
(b) The Letter of Authorization shall 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 (i.e., mitigation); and
(3) Requirements for mitigation, monitoring and reporting.
(c) Issuance and renewal of the Letter of Authorization shall 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 affected species or stock of marine mammal(s).

Title 50 published on 2014-10-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

Title 50 published on 2014-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 50 CFR 217 after this date.

  • 2015-02-23; vol. 80 # 35 - Monday, February 23, 2015
    1. 80 FR 9510 - Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Seismic Surveys in Cook Inlet, Alaska
      GPO FDSys XML | Text
      DEPARTMENT OF COMMERCE, National Oceanic and Atmospheric Administration
      Proposed rule; request for comments.
      Comments and information must be received no later than March 25, 2015.
      50 CFR Part 217