Washington Revised Code Title 46. Motor Vehicles § 46.12.691. Custom vehicles

(1) When applying for a certificate of title for a custom vehicle for the first time, the owner of the custom vehicle must:

(2) The model year and the year of manufacture that are listed on the certificate of title of a custom vehicle must be the model year and year of manufacture that the body of the custom vehicle resembles.

(3) The presence of modern equipment including, but not limited to, brakes, engines, or seat belts, or the presence of optional equipment referenced in RCW 46.37.518, on a custom vehicle does not invalidate the year of manufacture on the certificate of title.

(4) A custom vehicle must be registered under RCW 46.18.220.