General Rule 25
A. Service of pleadings or other papers on a party or on an attorney representing a party may be made by hand delivery, by mail to the address given in the pleadings, by facsimile transmission to a facsimile number given in the pleadings, or to the party's last known address, or with agreement of the parties, by e-mail. When a party is represented by an attorney service shall be made on the attorney.
B. Pleadings or other papers sent to the OAC must contain a certificate of service attesting to service on the opposing party and in the case of service by mail providing the address where pleadings or other papers were served.
C. Attorneys and parties not represented by attorneys must inform the OAC and all other parties of their current address and of any change of address during the course of the proceedings.