( May 8, 2026, 1:29 PM EDT) -- NEW YORK — A reinsurer filed a notice of supplemental authority urging a New York federal court to confirm two arbitration awards and reject an intergovernmental risk pool’s Federal Arbitration Act (FAA) vacatur challenge, arguing that recent reinsurance arbitration rulings involving comparable arbitration provisions held that arbitral reliance on insurance and reinsurance custom and practice, rather than rules of law, does not establish a basis for vacatur....