Wash. Admin. Code § 16-218-040
(3) If the department does not receive payment within thirty days of the statement date, the department may:
[Statutory Authority: RCW 22.09.020 and 22.09.790. WSR 21-10-097, § 16-218-040, filed 5/5/21, effective 8/1/21. Statutory Authority: Chapters 22.09 and 34.05 RCW, 2003 1st sp.s. c 25 § 309(2). WSR 05-07-150, § 16-218-040, filed 3/23/05, effective 4/23/05.]