This Note explains the procedure for confirming an arbitration award in Washington and the grounds on which a party may challenge enforcement. The Federal Arbitration Act.The grounds for overturning an arbitration award for manifest disregard of the law are limited. The US Supreme Court has held that the FAA provides the exclusive grounds for vacating an arbitral award issued in the. Here, there is nothing to suggest any of the accepted grounds for vacating the award are present. The most significant ground for vacating an award that many courts have said did not survive Hall is "manifest disregard of the law. Under the Federal Arbitration Act, you must file within one year of the award's issuance. What are the grounds to vacate an arbitration award? The Basics of Confirming, Vacating, Modifying and Correcting an Arbitration Award Under the Federal Arbitration Act and the Texas Arbitration Act.