Wash. Admin. Code § 381-40-040
The board may elect to review each prisoner's progress during confinement. This review will normally be done at intervals of twenty-four months.
The department of corrections may request, in writing, the following:
[WSR 98-09-045, § 381-40-040, filed 4/15/98, effective 4/13/98. WSR 92-22-008, § 381-40-040, filed 10/21/92, effective 10/19/92. WSR 91-14-029, § 381-40-040, filed 6/26/91, effective 7/27/91.]