In addition to the license fees authorized by this chapter, the commission shall collect the industrial insurance premium assessments required under RCW 51.16.210 from trainers, grooms, and owners. The industrial insurance premium assessments required under RCW 51.16.210 shall be retroactive to January 1, 1989, and shall be collected from all licensees whose licenses were issued after that date. The commission shall deposit the industrial insurance premium assessments in the industrial insurance trust fund as required by rules adopted by the department of labor and industries.
RCW 67.16.300