Delaware Code
Chapter 57. UNIFORM ARBITRATION ACT
§ 5714. Vacating an award.

(a) Upon complaint or application of a party in an existing case, the Court shall vacate an award where:

(1) The award was procured by corruption, fraud or other undue means;
(2) There was evident partiality by an arbitrator appointed as a neutral except where the award was by confession, or corruption in any of the arbitrators or misconduct prejudicing the rights of any party;
(3) The arbitrators exceeded their powers, or so imperfectly executed them that a final and definite award upon the subject matter submitted was not made;
(4) The arbitrators refused to postpone the hearing upon sufficient cause being shown therefor, or refused to hear evidence material to the controversy, or otherwise so conducted the hearing, contrary to the provisions of § 5706 of this title, or failed to follow the procedures set forth in this chapter, so as to prejudice substantially the rights of a party, unless the party applying to vacate the award continued with the arbitration with notice of the defect and without objection; or
(5) There was no valid arbitration agreement, or the agreement to arbitrate had not been complied with, or the arbitrated claim was barred by limitation and the party applying to vacate the award did not participate in the arbitration hearing without raising the objection;
but the fact that the relief was such that it could not or would not be granted by a court of law or equity is not ground for vacating or refusing to confirm the award.
(b) An application under this section shall be made within 90 days after delivery of a copy of the award to the applicant, except that, if predicated upon corruption, fraud or other undue means, it shall be made within 90 days after such grounds are known or should have been known.
(c) In vacating the award on grounds other than stated in paragraph (a)(5) of this section, the Court may order a rehearing and determination of all or any of the issues, before new arbitrators chosen as provided in the agreement, or in the absence thereof, by the Court in accordance with § 5704 of this title, or, if the award is vacated on grounds set forth in paragraphs (a)(3) and (4) of this section, the Court may order a rehearing before the arbitrators who made the award or their successors appointed in accordance with § 5704 of this title. The time within which the agreement requires the award to be made is applicable to the rehearing and commences from the date of the order.
(d) If the application to vacate is denied and no motion to modify or correct the award is pending, the Court shall confirm the award.

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