Section 388-101-4360 - Notice - Proof of serviceThe department may establish proof of service by any of the following:
(1) A declaration of personal service;(2) An affidavit or certificate of mailing to the service provider or to the individual to whom the notice is directed;(3) A signed receipt from the person who accepted the certified mail, the commercial delivery service, or the legal messenger service package; or(4) Proof of fax transmission.Wash. Admin. Code § 388-101-4360
Statutory Authority: RCW 71A.12.080. 10-03-065, § 388-101-4360, filed 1/15/10, effective 2/15/10.