A Practice Note explaining how to enforce arbitral awards in Massachusetts state and federal courts. This Note explains the procedure for confirming an arbitration award in Massachusetts and the grounds on which a party may challenge enforcement under Massachusetts and federal law, including the New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards, the Federal Arbitration Act (FAA), and Massachusetts arbitration law. This Note also briefly explains the procedure for vacating, modifying, and correcting an arbitral award in Massachusetts.