Only the following persons may appear in a representative capacity before the presiding officer:
Wash. Admin. Code § 415-08-040
Statutory Authority: RCW 41.50.050, 41.50.060 and 34.05.425. 96-11-036, §415-08-040, filed 5/7/96, effective 6/7/96. Statutory Authority: RCW 41.50.050(5) and 34.05.250. 93-11-079, §415-08-040, filed 5/18/93, effective 6/18/93; Order 4, §415-08-040, filed 7/27/77.