Double tax treaty: Canada — United States: sourced answers
1 answer to specific questions — each with a verbatim quote from an official source and a link to it.
Every answer is checked against a verbatim quote from a stored copy of its source and has passed an independent review. This is reference information, not legal advice: rules change, and the outcome depends on your circumstances.
Tax treaty or act
When was the agreement signed (the latest protocol is in the caveat)
convention 26.09.1980
fifth protocol 21.09.2007
«onvention between Canada and the United States of America with Respect to Taxes on Income and on Capital This consolidated version of the Canada-United States Convention with Respect to Taxes on Income and on Capital signed at Washington on September 26, 1980, as amended by the Protocols signed on June 14, 1983, March 28, 1984, March 17, 1995, July 29, 1997, and September 21, 2007, is provided for convenience of reference only and has no official sanction. Canada and the United States of America, desiring to conclude a Convention for»
Source: canada.ca · source copy as of 2026-10-03
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