To require the Secretary of the Treasury to prohibit the importation of fish or wildlife products into the United States from countries violating international fish or wildlife conservation agreements.

Amends the Fishermen's Protective Act of 1967 to direct the Secretary of Commerce to certify to the Secretary of the Treasury instances of foreign nationals conducting fishing operations which violate international fishery conservation programs.

Prescribes guidelines under which the Secretary of the Treasury shall limit imports into the United States of fish or wildlife products from countries which violate international fishery or endangered species programs. Sets forth exemption guidelines where the Secretary of the Treasury determines that such sanctions would cause unreasonable economic hardship.