SCC File No.: 38682 IN THE SUPREME COURT OF CANADA (ON APPEAL FROM THE COURT OF APPEAL FOR BRITISH COLUMBIA) IN THE MATTER OF: The Constitutional Question Act, R.S.B.C. 1996, c. 68 AND IN THE MATTER OF A Reference by the Lieutenant Governor in Council set out in the Order in Council No. 211/19 dated April 25, 2018 concerning the constitutionality of amendments to provisions in the Environmental Management Act, R.S.B.C. 2003, c. 53 regarding the impacts of releases of certain hazardous substances BETWEEN: ATTORNEY GENERAL OF BRITISH COLUMBIA APPELLANT and ATTORNEY GENERAL OF CANADA RESPONDENT and ATTORNEY GENERAL OF ALBERTA, ATTORNEY GENERAL OF ONTARIO, ATTORNEY GENERAL OF QUÉBEC, ATTORNEY GENERAL OF SASKATCHEWAN, ECOJUSTICE CANADA SOCIETY, CANADIAN ENERGY PIPELINE ASSOCIATION, ASSEMBLY OF FIRST NATIONS, HEILSTSUK TRIBAL COUNCIL, CITY OF BURNABY, TRANS MOUNTAIN PIPELINE ULC, ENBRIDGE INC., RAILWAY ASSOCIATION OF CANADA, EXPLORERS AND PRODUCERS ASSOCIATION OF CANADA, CANADIAN FUELS ASSOCIATION, COUNCIL OF THE HAIDA NATION, LITTLE SHUSWAP LAKE INDIAN BAND, CITY OF VANCOUVER, SUNCOR ENERGY INC., IMPERIAL OIL LIMITED, HUSKY OIL OPERATIONS LIMITED, CENOVUS ENERGY INC. and CANADIAN NATURAL RESOURCES LIMITED, BEECHER BAY FIRST NATION, SONGHEES NATION, T’SOU-KE NATION, and CANADIAN ASSOCIATION OF PETROLEUM PRODUCERS INTERVENERS FACTUM OF THE INTERVENER, LITTLE SHUSWAP LAKE INDIAN BAND (Pursuant to Rule 42 of the Rules of the Supreme Court of Canada) GRANT NOVACS NORELL GOWLING WLG (Canada) LLP 400 – 900 Howe Street 2600 – 160 Elgin Street VANCOUVER BC V6Z 2M4 OTTAWA ON K1P 1C3 Arthur M. Grant Brian A. Crane, Q.C. Tel: (604) 642-6361 Tel: (613) 233-1781 Fax: (604) 609-6688 Fax: (613) 563-9869 E-mail:
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[email protected] Counsel for the Intervener Ottawa Agent for the Intervener Little Shuswap Lake Indian Band Little Shuswap Lake Indian Band ORIGINAL TO: THE REGISTRAR COPIES TO: ARVAY FINLAY LLP MICHAEL J.