Maryland Courts and Judicial Proceedings Section 3-224

      (a)      (1)      Except as provided in paragraph (2), a petition to vacate the award shall be filed within 30 days after delivery of a copy of the award to the petitioner.

            (2)      If a petition alleges corruption, fraud, or other undue means it shall be filed within 30 days after the grounds become known or should have been known to the petitioner.

      (b)      The court shall vacate an award if:

            (1)      An award was procured by corruption, fraud, or other undue means;

            (2)      There was evident partiality by an arbitrator appointed as a neutral, corruption in any arbitrator, or misconduct prejudicing the rights of any party;

            (3)      The arbitrators exceeded their powers;

            (4)      The arbitrators refused to postpone the hearing upon sufficient cause being shown for the postponement, refused to hear evidence material to the controversy, or otherwise so conducted the hearing, contrary to the provisions of § 3-213, as to prejudice substantially the rights of a party; or

            (5)      There was no arbitration agreement as described in § 3-206, the issue was not adversely determined in proceedings under § 3-208, and the party did not participate in the arbitration hearing without raising the objection.

      (c)      The court shall not vacate the award or refuse to confirm the award on the ground that a court of law or equity could not or would not grant the same relief.