WAC 308-96A-101. Scale weight required for licensing

(1) The department requires vehicle scale weight for: (a) Vehicles licensed under RCW 46.16.070 , 46.16.090 , and 46.16.0621 ; (b) Trailers; (c) The vehicle is powered by propane, natural gas or butane; (d) The vehicle has been structurally modified changing the scale weight. (2) Determining scale weight: The department will accept: (a) The shipping/scale weight as shown on a manufacturer’s statement/certificate of origin, factory invoice, previous title, registration, or supporting documentation issued by another jurisdiction; or (b) A weight slip from a certified scale; or (c) Information provided by any nationally recognized electronic source, guidebook or other publication of recognized standing in the vehicle industry; (for example: NADA or Kelly Blue Book ); or (d) Automated Value System (AVS) Value Detail Screen; or (e) Dealer's declaration of factory shipping weight - Completed vehicles only; or (f) Other sources approved by the department.