WAC 296-128-820
WAC 296-128-820. Enforcement — Tips and service charges
If an employee files a complaint with the department alleging that their employer failed to pay to the employee all tips and gratuities due to the employee under RCW 49.46.020 , or all service charges due to the employee under RCW 49.46.020 and 49.46.160 , the department will investigate the complaint. The department will investigate the complaint pursuant to the procedures outlined in the Wage Payment Act, RCW 49.48.082 through 49.48.087 .