Wash. Admin. Code § 230-06-095
Licensees must notify us and pay a fee for any name change as follows:
[Statutory Authority: RCW 9.46.070. WSR 09-19-053 (Order 662), § 230-06-095, filed 9/11/09, effective 1/1/10; WSR 06-17-132 (Order 601), § 230-06-095, filed 8/22/06, effective 1/1/08.]