Wash. Admin. Code § 263-12-01501
Statutory Authority: RCW 51.52.020. 11-23-154, § 263-12-01501, filed 11/22/11, effective 12/23/11; 10-14-061, § 263-12-01501, filed 6/30/10, effective 7/31/10; 06-12-003, § 263-12-01501, filed 5/25/06, effective 6/25/06; 04-22-047, § 263-12-01501, filed 10/28/04, effective 11/28/04; 04-16-097, § 263-12-01501, filed 8/3/04, effective 9/3/04; 98-20-109, § 263-12-01501, filed 10/7/98, effective 11/7/98; 91-13-038, § 263-12-01501, filed 6/14/91, effective 7/15/91.