Five days' notice in writing of such application shall be served upon the party in default. Under the FAA, you must file a motion to vacate within three months of the date the arbitrator filed or delivered the decision.As with other categories of cases, the employee has several options available. § 16, authorizes an immediate interlocutory appeal of an order denying a request for arbitration but not of an order granting such a request. The short answer is that it depends on whether the enforcement action is in federal or state court and the state law governing the parties' agreement. Federal Rules of Civil Procedure, referred to in text, are set out in Appendix to Title 28, Judiciary and Judicial Procedure. Amendments. 21328 (May 23, 2022). Under the Federal Arbitration Act, only "a final decision with respect to an arbitration" is appealable. 9 U.S.C. §16(a)(3). Szalai, The Federal Arbitration.