CFR 50-217.57-2014 Wildlife and fisheries. Part217:Regulations governing the take of marine mammals incidental to specified activities. Section217.57:Letters of Authorization.
(a) A Letter of Authorization, unless suspended or revoked, will be valid for a period of time not to exceed the period of validity of this subpart.
CFR 50-217.57-2014 history
2014CFR 50-217.57-2014 Wildlife and fisheries. Part217:Regulations governing the take of marine mammals incidental to specified activities. Section217.57:Letters of Authorization.