Athabasca Chipewyan First Nation v Alberta (Chief Electoral Officer)

canada, canadian, case law, court opinion, canlii, abca, 2026abca287, 2026 abca 287 (canlii), 2026, abca, 287, (canlii), 2603-0143ac; ; 2603-0144ac; 2603-0116ac, 2026, procedure, interventions, leave to intervene, alberta rules of court, rr 2.10, 14.58(1), applications for leave to intervene in appeals heard together, discretionary permission on terms and conditions, whether submissions will be useful and different from a non, party, intervenor status granted, procedure, interventions, test and criteria, r v morgentaler, ahyasou, papaschase, what test governs leave to intervene in an appeal, two, step approach, subject matter of proceedings and intervenor’s interests, directly affected and necessary to properly decide, standard more relaxed in constitutional case, intervention allowed, indigenous peoples, aboriginal and treaty rights, duty to consult, constitution act, 1982, s 35, whether the proposed intervenor has a special interest or particular expertise in treaty no 6 and the duty to consult, crown conduct impacting aboriginal and treaty rights, pathway from petition to referendum without consultation procedure, intervenor status granted, procedure, interventions, prejudice and scope, undue delay, widen the lis, political arena, whether intervention will unduly delay the proceedings or prejudice the parties, whether it will widen the lis or transform the court into a political arena, interests not fully represented and participation useful and different, no undue delay or prejudice found, intervention allowed, procedure, interventions, terms and costs, case management, issues of factum length, filing date, and length of oral submission left to case management officer, whether costs should be awarded on the application, no costs award on this application, intervention allowed on procedural terms to be set