Wash. Admin. Code § 182-526-0130
If the office of administrative hearings is notified that the party who has requested the hearing is a limited-English-proficient (LEP) person, all hearing notices, decisions and orders must:
(2) Include a statement in the party's primary language:
[Statutory Authority: 2011 1st sp.s. c 15 § 53, chapters 74.09, 34.05 RCW, and 10-08 WAC. WSR 13-02-007, § 182-526-0130, filed 12/19/12, effective 2/1/13.]