Canada formally invokes 1977 pipeline treaty with U.S. over Line 5 dispute

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CALGARY, Alberta, Oct 4 (Reuters) – Canada on Monday formally invoked a 1977 treaty with the United States to request negotiations over Enbridge Inc’s (ENB.TO) Line 5 pipeline, escalating a long-running dispute over one in all Canada’s main oil export pipelines.

Line 5 ships 540,000 barrels per day of crude and refined merchandise from Superior, Wisconsin, to Sarnia, Ontario, however the state of Michigan desires it shut down over worries {that a} leak may develop in a four-mile part working beneath the Straits of Mackinac within the Great Lakes.

Enbridge ignored Michigan’s order to halt operations earlier this yr. The sides are embroiled in a authorized battle, and took half in court-ordered mediation. The authorities of Canada has been pushing counterparts within the United States to intervene to assist maintain the pipeline open. learn extra

In a letter to the federal choose presiding over the case, Gordon Giff, authorized counsel for the Canadian authorities, mentioned Canada had formally invoked Article Six of the 1977 Transit Pipelines Treaty.

The treaty, designed to cease U.S. or Canadian public officers from impeding the movement of oil in transit, has by no means been invoked earlier than.

Canada’s overseas ministry and the U.S. State Department didn’t instantly reply to requests for remark.

Enbridge spokeswoman Tracy Larsson mentioned Michigan had let events know it’s not dedicated to additional mediation.

“We greatly appreciate the efforts of ‘Team Canada’ – from the Government of Canada to the provinces of Ontario, Quebec, Alberta and Saskatchewan for their commitments and efforts to keep Line 5 open,” she mentioned in an e-mail.

Additonal reporting by Steve Scherer in Ottawa; Editing by David Gregorio

General view of the Imperial Oil refinery, located near Enbridge's Line 5 pipeline, which Michigan Governor Gretchen Whitmer ordered shut down in May 2021, in Sarnia, Ontario, Canada March 20, 2021. Picture taken March 20, 2021. REUTERS/Carlos Osorio/File Photo/File Photo