Courts generally confirm and enforce, rather than vacate, arbitration awards. That the four narrow grounds for vacatur set out in Section 10(a) of the federal act are the exclusive grounds for vacatur.10 sets forth four exceptions to this general rule-four grounds under which courts may "vacate" arbitration awards. The Eleventh Circuit has issued a significant en banc opinion regarding the available grounds for vacatur of an arbitral award. "There is a presumption in the Federal Arbitration Act that arbitration awards will be confirmed. The U.S. Supreme Court's decision in Hall St. Assocs. A Practice Note explaining how to enforce arbitral awards in Minnesota state and federal courts. 2d 751, 755 (Minn. 1993). An arbitration award may be vacated only on the grounds listed in the Minn. Stat. Federal Arbitration Act.