Section 217.96 - Letters of Authorization(a) To incidentally take marine mammals pursuant to these regulations, the Navy must apply for and obtain LOAs in accordance with § 216.106 of this chapter for conducting the activity identified in § 217.90(c) .(b) LOAs, unless suspended or revoked, may be effective for a period of time not to extend beyond the expiration date of these regulations.(c) If an LOAs expires prior to the expiration date of these regulations, the Navy may apply for and obtain a renewal of the LOAs.(d) In the event of projected changes to the activity or to mitigation, monitoring, reporting (excluding changes made pursuant to the adaptive management provision of § 217.97(c)(1) ) required by an LOA, the Navy must apply for and obtain a modification of LOAs as described in § 217.97 .(e) Each LOA shall set forth: (1) Permissible methods of incidental taking;(2) Means of effecting the least practicable adverse impact (i.e., mitigation) on the species, their habitat, and the availability of the species for subsistence uses; and(3) Requirements for monitoring and reporting.(f) Issuance of the LOAs shall be based on a determination that the level of taking shall be consistent with the findings made for the total taking allowable under these regulations.(g) Notice of issuance or denial of the LOAs shall be published in the FEDERAL REGISTER within 30 days of a determination. 83 FR 36788 , 3/1/2020, until 2/28/2025