Wash. Admin. Code § 357-58-355
Within the first thirty calendar days of any review period, a permanent employee may request to voluntarily revert to the employee's former employer. If the former employer authorizes the reversion, the following applies:
[Statutory Authority: Chapter 41.06 RCW and RCW 41.06.150. WSR 19-11-136, § 357-58-355, filed 5/22/19, effective 7/1/19. Statutory Authority: Chapter 41.06 RCW. WSR 05-21-053, § 357-58-355, filed 10/13/05, effective 11/15/05; WSR 05-12-070, § 357-58-355, filed 5/27/05, effective 7/1/05.]