Oregon Revised Statutes Protection from Fire § 477.740

(a) Unlawfully sets on fire, or causes to be set on fire, any grass, grain, stubble or other material being or growing on any lands within the state;

(b) Intentionally or negligently allows fire to escape from the person's own land, or land of which the person is in possession or control; or

(c) Accidentally sets any fire on the person's own land or the land of another and allows it to escape from control without extinguishing it, or making a bona fide effort to do so.