Publication 597
taxmap/pubs/p597-006.htm#en_us_publink1000104536The treaty contains a credit provision (Article XXIV) for the
elimination of double taxation. In general, the United States and Canada both
allow a credit against their income tax for the income tax paid to the other
country on income from sources in that other country. For detailed discussions
of the U.S. income tax treatment of tax paid to foreign countries, see
Publication 514, Foreign Tax Credit for Individuals.
See paragraphs (4) and (5) of Article XXIV for certain provisions
that affect the computation of the credit allowed by the United States for
Canadian income taxes paid by U.S. citizens residing in Canada.