RCW 81.66.005: Scope—Federal authority and registration for compensatory services.

This chapter applies to persons and motor vehicles engaged in interstate or foreign commerce to the full extent permitted by the Constitution and laws of the United States.

It is unlawful for any motor carrier to perform a transportation service for compensation upon the public highways of this state without first having secured appropriate federal authority from the United States department of transportation, if such authority is required, and without first having registered with the commission either directly or through a federally authorized uniform registration program.