The person serving the subpoena shall prove service by filing an acknowledgement or affidavit of service with the personnel appeals board or the hearings examiner at any time prior to adjournment of the hearing. Failure to prove service does not affect the validity of the service.
Wash. Admin. Code § 358-30-140
Statutory Authority: Chapter 41.64 RCW. 82-01-053 (Order 81-4), § 358-30-140, filed 12/16/81.