In The United Mexican States v. Burr, 2020 ONSC 2376, Madam Justice Bernadette Dietrich accepted that legal submissions by parties to the North America Free Trade Agreement Between the Government of Canada, the Government of Mexico and the Government of the United States, 17 December 1992, Can TS 1994 No 2 can qualify as “subsequent practice” under article 31(3) of the Vienna Convention on the Law of Treaties Can TS 1980 No 37 but that the facts fell short of meeting the standard in Mexico v. Cargill, Incorporated, 2011 ONCA 622 of a “clear, well-understood, agreed common position”. Dietrich J. also distinguished between an objection to jurisdiction which relates to the authority of a tribunal to hear a dispute and an objection to admissibility which refers to the characteristics of the claim, determining that she had jurisdiction to review the former but not the latter. She dismissed a challenge to an award on jurisdiction in which the tribunal found that investors had properly given notice of their intention to arbitrate by filing powers of attorneys authorizing legal counsel to initiate arbitration and to act on their behalf. Dietrich J. held that non-compliance with the formal requirements of Articles 1119 did not vitiate the state’s consent to arbitrate under Article 1122(1).
update – August 18, 2020 Notice of Appeal filed August 24, 2020 by The United Mexican States. See notes for grounds of appeal.
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