Orders of the director issued under RCW 69.04.600 shall be served (1) in person by a duly authorized representative of the director or (2) by mailing the order by registered mail addressed to the applicant or respondent at his or her address last known to the director.
[ 2012 c 117 § 340; 1945 c 257 § 80; Rem. Supp. 1945 § 6163-129.]