(1) An attorney or authorized representative as defined in WAC 371-08-365 may appear for a party by either of the following actions:

(a) Filing a notice of appeal, another pleading or a written notice of appearance containing the name of the party to be represented, and the name, address, telephone number, and email address of the representative; or

(b) Entering an appearance at the time and place of a conference or hearing on the appeal, and notifying the presiding officer conducting the same of the party to be represented and the name, address, telephone number, and email address of the representative.

(2) Copies of every written notice of appearance or pleading that identifies the representative shall be served by the representative on all other parties or their representatives of record at the time the original is filed with the board.

(3) Unless the department notifies the board otherwise, the attorney general shall, in all appeals from decisions and orders of the department and director, be deemed to have entered an appearance for the department, and shall be exempt from the requirements herein relating to the filing of written notices of appearance and to the furnishing of copies of same to other parties and their representatives.

(4) After a representative appears on behalf of a party, the board shall serve all future notices, orders and correspondence upon such representative. Service upon the representative shall constitute service upon the party.

(5) After a representative appears on behalf of a party, all other parties to the appeal shall serve all future pleadings and correspondence upon that representative. Service upon the representative shall constitute service upon the party.