Washington Revised Code Title 18. Businesses and Professions § 18.16.200. Disciplinary action--Grounds

(1) Has been found to have violated any provisions of chapter 19.86 RCW;

(2) Has engaged in a practice prohibited under RCW 18.16.060 without first obtaining, and maintaining in good standing, the license required by this chapter;

(3) Has engaged in the commercial practice of cosmetology, hair design, barbering, manicuring, esthetics, or master esthetics in a school;

(4) Has not provided a safe, sanitary, and good moral environment for students in a school or the public;

(5) Has failed to display licenses required in this chapter; or

(6) Has violated any provision of this chapter or any rule adopted under it.