RCW 46.09.430
RCW 46.09.430: Use permits—Application requirements.
(1) The application for a temporary ORV use permit must be made by the owner or the owner's authorized representative to the department, county auditor or other agent, or subagent appointed by the director on a form furnished or approved by the department. The application must contain: (a) The name and address of each owner of the off-road vehicle; and (b) Other information that the department may require. (2) The owner or the owner's authorized representative shall sign the application for a temporary ORV use permit. (3) The application for a temporary ORV use permit must be accompanied by the temporary ORV use permit fee required under RCW 46.17.400 , in addition to any other fees or taxes due for the application. (4) A temporary ORV use permit: (a) Is valid for sixty days; and (b) Must be carried on the vehicle for which it was issued at all times during its operation in this state.