(a) Any party may appear and be heard in person.

(b) Any party may be accompanied, represented, or advised by an attorney or representative designated by the party.

(1) An attorney or representative who represents a party must file a notice of appearance in the action with the Docket Management System and must serve a copy of the notice of appearance on each other party before participating in any proceeding governed by this subpart.

(2) The attorney or representative must include his or her name, address, and telephone number in the notice of appearance.

(3) That attorney or representative in any proceeding governed by this subpart may examine the party.

(4) Service of a document on the party's attorney or representative is considered to be service on the party.

(c) An agency attorney represents the complainant.