WAC 173-98-470
Late payments. A late fee of one percent
per month on the past due amount will be assessed starting on
the date the debt becomes past due and until it is paid in
full.
[Statutory Authority: RCW 90.48.035. 07-14-096 (Order
05-16), § 173-98-470, filed 6/29/07, effective 7/30/07.]