Wash. Admin. Code § 192-460-150
The department shall use employee information received through notices required under RCW 49.45.020 to administer the Employment Security Act for the benefit of those affected by a business closure or mass layoff. This includes:
[Statutory Authority: RCW 49.45.070, 50.12.010, and 50.12.040. WSR 26-06-021, s 192-460-150, filed 2/23/26, effective 3/26/26.]