Wash. Admin. Code § 480-121-060
(1) The commission may revoke a registration, after notice and opportunity for a hearing, for good cause. Good cause includes, but is not limited to, failure to:
[Statutory Authority: RCW 80.01.040 and 80.04.160. WSR 02-11-080 (General Order No. R-499, Docket No. UT-991922), § 480-121-060, filed 5/14/02, effective 6/17/02. Statutory Authority: RCW 80.01.040. WSR 99-13-097 (Order R-464, Docket No. UT-980083), § 480-121-060, filed 6/15/99, effective 7/16/99.]