US Department of Justice Preparing Legal Brief as Both Sides Appeal Line 5 Decision

An above ground section of Enbridge's Line 5 is seen at a pump station in Mackinaw City, Mich., in Oct. of 2016. The Canadian Press/AP-John Flesher

The U.S. government has been asked to explain how a 1977 energy treaty with Canada would impact efforts to shut down the Line 5 cross-border pipeline.

A forthcoming Department of Justice brief will mark the Biden administration’s first official foray into the dispute between Calgary-based Enbridge Inc. and an Indigenous band in Wisconsin.