The period within which an interested party may request a hearing or file with the Employment Appeals Board an application for review as provided in ORS 657.266 to 657.269, 657.270, 657.471, 657.480, 657.485, 657.679, 657.681 and 657.682 may be extended, upon a showing of good cause therefor, a reasonable time under the circumstances of each particular case.
ORS 657.875