RCW 46.01.110: Rule-making authority.

The director may adopt and enforce rules to carry out provisions related to vehicle registrations, certificates of title, and drivers' licenses. These rules must not be based:

(1) Solely on a section of law stating a statute's intent or purpose;

(2) On the enabling provisions of the statute establishing the agency; or

(3) On any combination of subsections (1) and (2) of this section.