Abandon all hope, ye who seek to overturn an arbitration award, because the 5th U.S. Circuit Court of Appeals has ruled that manifest disregard of the law by arbitrators is no longer a ground for vacatur under the Federal Arbitration Act.

The 5th Circuit’s March 5 decision in Citigroup Global Markets Inc. v. Bacon will make parties think twice — or three times — before agreeing to submit to arbitration to settle their cases.