(1) to disclose the names and addresses of witnesses to the extent known to each Party,

(2) afford an opportunity to the Parties to inspect and copy any pertinent writings, documents, or exhibits in the possession, custody, or control of other Parties, and

(3) to exchange all writings to be offered in evidence. In the absence of agreement, for good cause shown, the Arbitrator may permit limited interrogatories and depositions of percipient witnesses. The foregoing constitutes the sole and exclusive discovery in simplified claims procedure.