Oregon Revised Statutes Animals § 608.380

Whenever any livestock mentioned in ORS 608.340 is killed or injured by a moving train or engine upon the unfenced railroad track of any railroad in this state, the owner, operator, lessee or agent of the railroad shall immediately notify or cause notice to be given to the sheriff of the county where the accident occurred, and within a reasonable time shall deliver to the sheriff a written description of the livestock so killed or injured, including brands, earmarks and any marks of ownership, and a statement of the condition of or extent and nature of injuries to the livestock.