Washington Revised Code Title 46. Motor Vehicles § 46.16A.360. Thirty, sixty, or ninety-day permits for registered out-of-state commercial vehicles

The owner of a commercial vehicle properly registered in another state may apply to the department, county auditor or other agent, or subagent appointed by the director for an out-of-state commercial vehicle intrastate permit when operating the commercial vehicle in Washington state for periods less than one year. The permit may be issued for a thirty, sixty, or ninety-day period. For each thirty-day period, the cost of each permit is one-twelfth of the fees required under chapter 82.44 RCW if the vehicle is subject to locally imposed motor vehicle excise taxes and (1) under RCW 46.17.355(1) if the vehicle is a motor vehicle or (2) under RCW 46.17.350(1)(c) if the vehicle is a commercial trailer.