Section 815.275 - Failure to mark end of load with light or flag when required; penalty(1) A person commits the offense of failure to mark the end of a load with a light or flag when required if the person drives or moves on any highway or owns and causes or knowingly permits to be driven or moved on any highway any vehicle with a load that extends to the rear four feet or more beyond the bed or body of the vehicle and the person fails to:(a) Place end load lights described under ORS 816.290 at the extreme rear end of the load, in addition to any other rear light required upon every vehicle, at times when limited visibility conditions exist; or(b) At any other time, display at the extreme rear end of the load a red flag or cloth not less than 12 inches square.(2) The offense described in this section, failure to mark end of load with light or flag when required, is a Class C traffic violation.