Wash. Admin. Code § 296-126-022 : — Labor and Industries, Department of126 - Standards of labor for the protection of the safety, health and welfare of employees for all occupations subject to chapter 49.12 RCW —126-022 - Gratuities
For the purposes of these regulations, gratuities received by employees shall not be considered a part of the minimum wage.
Wash. Admin. Code § 296-126-022
Order 74-9, § 296-126-022, filed 3/13/74, effective 4/15/74.