SCC File No: 38682 IN THE SUPREME COURT OF CANADA (ON APPEAL FROM THE COURT OF APPEAL FOR BRITISH COLUMBIA) BETWEEN: ATTORNEY GENERAL OF BRITISH COLUMBIA Appellant and ATTORNEY GENERAL OF CANADA Respondent and ATTORNEY GENERAL OF ONTARIO, PROCUREURE GÉNÉRALE DU QUÉBEC, ATTORNEY GENERAL OF ALBERTA and ATTORNEY GENERAL OF SASKATCHEWAN Interveners (By Right) and CITY OF VANCOUVER, CITY OF BURNABY, ECOJUSTICE CANADA, COUNCIL OF THE HAIDA NATION, HEILSTSUK FIRST NATION, ASSEMBLY OF FIRST NATIONS, LITTLE SHUSWAP LAKE INDIAN BAND, TRANS MOUNTAIN PIPELINE ULC, BEECHER BAY FIRST NATION, SONGHEESNATION AND T’SOU-KE NATION, LAX KW’ALAAMS BAND, CANADIAN ASSOCIATION OF PETROLEUM PRODUCERS, CANADIAN FUELS ASSOCIATION, CANADIAN ENERGY PIPELINE ASSOCIATION, COALITION OF INTERESTED PARTIES, RAILWAY ASSOCIATION OF CANADA, CONSORTIUM OF ENERGY PRODUCERS (SUNCOR ET AL), IN THE MATTER OF THE CONSTITUTIONAL QUESTION ACT, R.S.B.C. 1996, C. 68, ECOJUSTICE CANADA SOCIETY, HEILTSUK TRIBAL COUNCIL, EXPLORERS AND PRODUCERS ASSOCIATION OF CANADA, SUNCOR ENERGY INC., IMPERIAL OIL LIMITED, HUSKY OIL OPERATIONS LIMITED, CENOVUS ENERGY INC. AND CANADIAN NATURAL RESOURCES LIMITED Interveners (By Leave) FACTUM OF THE ATTORNEY GENERAL FOR SASKATCHEWAN: INTERVENER (Rules of the Supreme Court of Canada, Rules 37 & 42) ATTORNEY GENERAL FOR GOWLING WLG (CANADA) LLP SASKATCHEWAN Barristers and Solicitors Constitutional Law Branch 160 Elgin Street, Suite 2600 820 – 1874 Scarth Street OTTAWA ON K1P 1C3 - ii - REGINA SK S4P 4B3 Thomson Irvine D. Lynne Watt Noah Wernikowski Tel: (613) 786-8695 Tel: (306) 787-6307 Fax: (613) 788-3509 Fax: (306) 787-9111 E-mail:
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[email protected] Counsel for the Intervener, Ottawa Agent for the Intervener, Attorney General for Saskatchewan Attorney General for Saskatchewan and ARVAY FINLAY LLP MICHAEL J.