Section 218.63 - Prohibitions(a) Except for permissible incidental take described in § 218.62(a) and authorized by an LOA issued under § 216.106 of this subchapter and § 218.66 , no person in connection with the activities listed in § 218.66 may do any of the following in connection with activities listed in § 218.60(c) : (1) Violate, or fail to comply with, the terms, conditions, or requirements of this subpart or an LOA issued under § 216.106 of this subchapter and § 218.66 ;(2) Take any marine mammal not specified in § 218.62(b) ;(3) Take any marine mammal specified in § 218.62(b) in any manner other than as specified in the LOA issued under § 216.106 of this subchapter and § 218.66 ;(4) Take a marine mammal specified in § 218.62(b) after the National Marine Fisheries Service (NMFS) determines such taking results in more than a negligible impact on the species or stock of such marine mammal. 88 FR 24100 , 4/13/2023 through 4/13/2030