50 CFR 217.86 - Applications for Letters of Authorization.
(a) To incidentally take marine mammals pursuant to these regulations, the U.S. citizen (as defined by § 216.103) conducting the activity identified in § 217.80(a) must apply for and obtain either an initial Letter of Authorization in accordance with § 217.87 or a renewal under § 217.88.
(b) The application must be submitted to NMFS at least 30 days before the activity is scheduled to begin.
(c) Application for a Letter of Authorization and for renewals of Letters of Authorization must include the following:
(1) Name of the U.S. citizen requesting the authorization;
(2) A description of the activity, the dates of the activity, and the specific location of the activity; and
(3) Plans to monitor the behavior and effects of the activity on marine mammals.
(d) A copy of the Letter of Authorization must be in the possession of the persons conducting activities that may involve incidental takings of marine mammals.