(1) All fees and charges for services rendered are due within thirty days after the date of the billing statement.
(2) If payment is not received within thirty days, service may be withheld until the delinquent account is paid in full.
(3) The director may assess a penalty of eighteen percent per annum on all unpaid account balances thirty days after billing.
[Statutory Authority: RCW
15.17.140(2),
15.17.040 [15.17.030], chapters
17.24 and
34.05 RCW. WSR 14-24-086, § 16-390-280, filed 12/1/14, effective 1/1/15. Statutory Authority: RCW
15.17.050, 2012 2nd sp.s. c 7, and chapter
34.05 RCW. WSR 12-19-040, § 16-390-280, filed 9/12/12, effective 10/13/12. Statutory Authority: Chapters
15.17,
34.05 RCW, and 2003 1st sp.s. c 25. WSR 04-11-078, § 16-390-280, filed 5/18/04, effective 6/18/04.]