The purpose of this Act is to approve and implement the Agreement between the United States of America, the United Mexican States, and Canada The United States immediately sought relief in the Supreme Court, based in part on events occurring after the injunction issued.In addition, it appears to the Arbitral Tribunal that the Claimant as well understands this declaratory relief in the context of expropriation under. These two companion appeals arise out of a lawsuit filed against New. (a) Monetary Damages Generally Bar Equitable Relief. It may be that Mexico, as it claims, would be unable to pursue its lawsuit in the only forum that could provide effective injunctive relief. In the meantime, the court's preliminary injunction in Ryan is a significant initial win for businesses challenging the Rule. Background.