Taxation: Income

Protocol amending the convention of September 26, 1980.  As amended.  Signed at Chelsea September 21, 2007; transmitted by the President of the United States of America to the Senate March 13, 2008 (Treaty Doc. 110-15, 110th Congress, 2nd Session); Advice and consent to ratification by the Senate September 23, 2008; Ratified by the President December 11, 2008; Exchange of Diplomatic Notes at Washington December 5 and 15, 2008; entered into force December 15, 2008.

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U.S. Department of State

The Lessons of 1989: Freedom and Our Future