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Entered into force March 3, 1950.

In accordance with Article V, paragraph 2, the Convention entered into force upon exchange of ratifications by the United States of America and the Republic of Costa Rica.

In accordance with Article V, paragraph 3, any government, whose nationals participate in the fisheries covered by this Convention, desiring to adhere to the present Convention, shall address a communication to that effect to each of the High Contracting Parties. Upon receiving the unanimous consent of the High Contracting Parties to adherence, such government shall deposit with the Government of the United States of America an instrument of adherence which shall stipulate the effective date thereof. Each adhering government shall have all the rights and obligations under the Convention as if it had been an original signatory thereof.

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U.S. Department of State

The Lessons of 1989: Freedom and Our Future