The award must be in writing and signed by the arbitrator. It must determine all issues properly raised by the pleadings, including a determination of any damages and an award of costs if appropriate.

The arbitrator is not required to make findings of fact or conclusions of law.

Within 10 days after the conclusion of the arbitration hearing, the arbitrator must file the award with the clerk, with proof of service on each party to the arbitration. On the arbitrator’s application in cases of unusual length or complexity, the court may allow up to 20 additional days for the filing and service of the award.

Within the time for filing the award, the arbitrator may file and serve an amended award.