50 C.F.R. § 216.127 Renewal of Letters of Authorization.
Title 50 - Wildlife and Fisheries
A Letter of Authorization issued under §216.126 for the activity identified in §216.120(a) will be renewed annually upon: (a) Timely receipt of the reports required under §216.125(d), if determined by the Assistant Administrator to be acceptable; and (b) A determination that the mitigation measures required under §216.124 and the Letter of Authorization have been undertaken.
Title 50: Wildlife and Fisheries
PART 216—REGULATIONS GOVERNING THE TAKING AND IMPORTING OF MARINE MAMMALS
Subpart K—Taking of Marine Mammals Incidental to Space Vehicle and Test Flight Activities
§ 216.127 Renewal of Letters of Authorization.