Section 219.4 - Prohibitions(a) Notwithstanding takings contemplated in § 219.1 and authorized by a LOA issued under §§ 216.106 of this chapter and 219.7, no person in connection with the activities described in § 219.1 may:(1) Violate, or fail to comply with, the terms, conditions, and requirements of this subpart or a LOA issued under §§ 216.106 of this chapter and 219.7;(2) Take any marine mammal not specified in such LOA;(3) Take any marine mammal specified in such LOA in any manner other than as specified;(4) Take a marine mammal specified in such LOA if NMFS determines such taking results in more than a negligible impact on the species or stocks of such marine mammal; or(5) Take a marine mammal specified in such LOA if NMFS determines such taking results in an unmitigable adverse impact on the species or stock of such marine mammal for taking for subsistence uses. 86 FR 3868 , 1/15/2021 through 1/15/2026