Washington Administrative Code
Title 162 - Human Rights Commission
Chapter 162-32 - Sexual orientation and gender identity
Section 162-32-050 - Dress and grooming standards

(1) Standards allowed. Covered entities may require standards of dress or grooming that serve a reasonable business or institutional purpose, such as promoting safety, developing a company identity, or projecting a professional, positive public image.

(2) Prohibited standards. Covered entities cannot require an individual to dress or groom in a manner that is not consistent with that individual's gender expression or gender identity.