216.164—Prohibitions.
No person in connection with the activities described in § 216.161(a) shall:
(b)
Take any marine mammal specified in § 216.161(b) other than by incidental, unintentional Level A or Level B harassment or mortality;
(c)
Take a marine mammal specified in § 216.161(b) if such taking results in more than a negligible impact on the species or stocks or marine mammals;
(d)
Violate, or failure to comply with, the requirements of a Letter of Authorization issued under § 216.106.