Emergency Amendments to the Marine Mammal Protection Act

[AI summary unavailable — showing source text] Emergency Amendments to the Marine Mammal Protection Act - Amends the Marine Mammal Protection Act of 1972 to declare that a duty of due care should be imposed on the tuna fishing industry in connection with purse-seine tuna fishing in order to reduce porpoise mortality to insignificant levels approaching zero, while still allowing for accidental porpoise mortality. Revises the definition of "take" under the Act in the case of purse-seine setting on porpoises for the purpose of tuna fishing to mean to kill or attempt to kill any marine mammal. Requires the Secretary of the Interior or the Secretary of the Department in which the National Oceanic and Atmospheric Administration is operating to achieve the purposes of the Act by establishing progressively lower quotas for the incidental taking of certain species and populations of marine mammals. Requires the Secretary of the Treasury to ban the importation of commercial fish and fish products from any foreign country having jurisdiction over fishing vessels which cause the incidental killing of or serious injury to marine mammals in excess of standards set by this Act. Authorizes the Secretary of the Interior or the Secretary of the …