State of New Mexico ex rel. Hanosh v. State of New Mexico ex rel. King

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The New Mexico Supreme Court affirmed a state appeals court’s decision allowing plaintiffs to bring a declaratory judgment action against the New Mexico Environmental Improvement Board instead of filing an administrative appeal. The plaintiffs commenced the action in state court in 2007 after the Board signed off on emissions regulations that were tougher than federal standards. New Mexico is one of 13 states to adopt California’s emissions laws after EPA granted the state a waiver under the Clean Air Act in June 2009 to enact its own regulations. The plaintiffs alleged that the Board did not have the power under state law to approve the stricter standards. The state court dismissed the complaint, holding that plaintiffs had to pursue an administrative appeal and could not file a separate declaratory judgment action. A state appellate court reversed, holding that the plaintiffs could raise a purely legal challenge to the Board’s statutory authority through a declaratory judgment action. The Supreme Court agreed and remanded the case back to the lower court.