Class "A" and "B" vehicles shall be provided with bodies and tops of sufficient strength to support the entire weight of the fully loaded vehicle on its top or side if overturned. Adequate means of escape and proper ventilation shall be provided.
Or. Admin. Code § 735-124-0050
Stat. Auth.: ORS 184.616 & ORS 820.030
Stats. Implemented: ORS 820.010 - ORS 820.030