US courts refrain from unilaterally vacating an award, rendered under international arbitral rules, in all but the most extreme cases. (g) The grounds for vacating an arbitration award under s. 682.13;.(h) The grounds for modifying an arbitration award under s. 682.14;. Courts have placed a high bar to vacating arbitration awards based on fraud but fraud will constitute grounds for vacation when it is shown to affect an award. The Federal Arbitration Act. Does the FAA permit a party to challenge an arbitration award? Court on the usual appellate grounds under federal or state law. The U.S. Supreme Court's decision in Hall St. Assocs. So, a winning party must go to court to enforce an award if the opposing party doesn't pay up.