The Obama administration's final Waters of the U.S. rule is slated to run in the Federal Register on Monday, likely setting off a deluge of legal challenges. U.S. EPA and the Army Corps of Engineers unveiled the rule in late May, but it isn't considered final for legal purposes until it runs in the Federal Register. That date of publication starts the clock for when the rule goes into effect -- in this case, 60 days later -- and for legislative intervention under the Congressional Review Act.
展开▼