On 23 September 2008, the United States ratified the fifth amending protocol, signed on 21 September 2007, to the income and capital tax treaty between the, United States-Canada signed on 26 September 1980 US Senate Foreign Relations Committee publishes report on US-Canada income tax protocol On 11 September 2008, the US Senate Committee on Foreign Relations published a report regarding the US-Canada income tax protocol signed on 21 September 2007 to the US-Canda income tax treaty, signed on 26 September 1980, as amended by the protocols done on 14 June 1983, 28 March 1984, 17 March 1995, and 29 July...