Delaware Rule 16.1 Notice of Motion to be Heard by Arbitrator is a legal document used by parties to initiate an arbitration proceeding in the Delaware Court of Chancery. The Notice of Motion to be Heard by Arbitrator is used by the parties to set the terms of the arbitration hearing, including the date, time, and place of the hearing, as well as the identity of the arbitrator. The Notice of Motion to be Heard by Arbitrator must be served upon all parties to the dispute before the hearing takes place. There are two types of Delaware Rule 16.1 Notice of Motion to be Heard by Arbitrator: a joint notice, which is signed by all parties to the dispute, and an individual notice, which is signed by only one party to the dispute.