Find out how to get an arbitrator appointed and the appointment process. The arbitration proceeding is conducted.Contract, other documents listed in the Agreement and Modifications issued after execution of the Contract. The parties agree to use arbitration in the event of disputes in accordance with the provisions of A.R.S. § 12-1501-12-1518. The Contractor agrees to require all subconsultants and lower tier subconsultants who have agreements exceeding. Any lawsuit arising out of this Agreement shall be brought in the appropriate court in Maricopa County.