ARTICLE 16
U.S. Income Tax Treaty — Canada Income Tax Treaty and Protocols - 1980 · 2026-10-03 edition · updated 2026-10-04 · United States
Paragraph 1 of Article XXVII (Exchange of Information) of the Convention shall be deleted and replaced by the following: “1. The competent authorities of the Contracting States shall exchange such information as is relevant for carrying out the provisions of this Convention or of the domestic laws of the Contracting States concerning taxes to which the Convention applies insofar as the taxation thereunder is not contrary to the Convention. The exchange of information is not restricted by Article I (Personal Scope). Any information received by a Contracting State shall be treated as secret in the same manner as information obtained under the taxation laws of that State and shall be disclosed only to persons or authorities (including courts and administrative bodies) involved in the assessment or collection of, the administration and enforcement in respect of, or the determination of appeals in relation to the taxes to which the Convention applies or, notwithstanding paragraph 4, in relation to taxes imposed by a political subdivision or local authority of a Contracting State that are substantially similar to the taxes covered by the Convention under Article II (Taxes Covered). Such persons or authorities shall use the information only for such purposes. They may disclose the information in public court proceedings or in judicial decisions. The competent authorities may release to an arbitration board established pursuant to paragraph 6 of Article XXVI (Mutual Agreement Procedure) such information as is necessary for carrying out the arbitration procedure; the members of the arbitration board shall be subject to the limitations on disclosure described in this Article.”
Paragraph 4 of Article XXVI I (Exchange of Information) of the Convention shall be deleted and replaced by the following: “4. For the purposes of this Article, the Convention shall apply, notwithstanding the provisions of Article II (Taxes Covered):
(a) To all taxes imposed by a Contracting State; and (b) To other taxes to which any other provision of the Convention applies, but only to the extent that the information is relevant for the purposes of the application of that provision.”
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