Home1997 Treaties and Agreements ...Canada (97-1216) – Protocols Amending Convention of September 26, 1980 Regarding Taxes on Income hide Canada (97-1216) – Protocols Amending Convention of September 26, 1980 Regarding Taxes on Income TIAS Office of Treaty Affairs December 16, 1997 Taxation: Taxes on Income Protocols amending the convention of September 26, 1980, as amended. Protocol signed at Washington March 17, 1995; entered into force November 9, 1995. Protocol signed at Ottawa July 29, 1997; entered into force December 16, 1997. Download attachment [3 MB] Tags Canada International Law, Treaties, and Agreements Taxation