(a) A lessee may withdraw his/her request for arbitration at any time prior to decision. If the administrator is notified by the lessee of his/her request to withdraw within seven business days of the filing date, the administrator shall refund the filing fee.

(b) If the parties agree to a settlement more than seven business days after the filing date but prior to the issuance of a decision, they shall notify the administrator in writing of the terms of the settlement. Upon the request of the parties, the arbitrator shall issue a decision reflecting the settlement.