Wash. Rev. Code § 49.12.110
Subject to RCW 49.46.170, for any occupation in which a minimum wage has been established, the director may issue to an employer, a special certificate or permit for an employee with a disability to such a degree that the employee is unable to obtain employment in the competitive labor market, or to a trainee or learner not otherwise subject to the jurisdiction of the apprenticeship council, a special certificate or permit authorizing the employment of such employee for a wage less than the legal minimum wage; and the director shall fix the minimum wage for said person, such special certificate or permit to be issued only in such cases as the director may decide the same is applied for in good faith and that such certificate or permit shall be in force for such length of time as the director shall decide and determine is proper.
RCW 49.12.110
Purpose-Intent-Severability-1977 ex.s. c 80: See notes following RCW 4.16.190.