WAC 357-52-045
WAC 357-52-045. Are appeals reviewed for timeliness?
(1) The board reviews all appeal(s) for timeliness. When an appeal appears to be untimely, the board directs the parties to submit affidavits and/or written argument addressing the timeliness of the appeal.
(2) In addition, any party to an appeal may submit a motion to dismiss for untimeliness at any time during the appeal process.