Maryland Code, Courts and Judicial Proceedings § 3-213

(a)(1) Unless the agreement provides otherwise, the arbitrators shall designate a time and place for hearing and notify the parties, personally or by certified mail, return receipt requested, bearing a postmark from the United States Postal Service, not less than five days before the hearing.

(2) Appearance at the hearing waives the notice.

(b)(1) Except as provided in § 3-215(b) of this subtitle, the arbitration hearing shall be conducted by all the arbitrators.

(2) The arbitrators may adjourn the hearing from time to time as necessary.

(3) Upon request of a party and for good cause shown or on their own motion, the arbitrators may postpone the hearing to a time not later than the date set by the agreement for the award, unless the parties consent to a later date.