Or. Rev. Stat. § 803.440
(1) A person commits the offense of failure to submit a declaration of weight if the person does not submit a declaration of weight for a vehicle described in this subsection when the person applies for registration of the vehicle or has the vehicle registered in the person’s name and the vehicle has been altered or reconstructed. This section applies to the following vehicles:
[1983 c.338 §232; 1989 c.43 §24; 1989 c.723 §11; 1993 c.751 §26]