Oregon Revised Statutes Wildlife § 498.102

(1) Any dog that is not wearing a collar with a license number thereon in compliance with ORS 609.100 that is found unlawfully hunting, running or tracking any game mammal or game bird may be killed at such time by any person authorized to enforce the wildlife laws.

(2) If a dog that is found unlawfully hunting, running or tracking any game mammal or game bird is wearing a collar with a license number thereon in compliance with ORS 609.100, the owner of the dog shall be notified by any person authorized to enforce the wildlife laws. If the owner or reputed owner of the dog disclaims ownership of the dog, the dog may be killed at such time by a person authorized to enforce the wildlife laws.

(3) If the owner of a dog has been notified that the dog has been found unlawfully hunting, running or tracking game mammals or game birds and thereafter fails to prevent the dog from unlawfully hunting, running or tracking game mammals or game birds, such dog may be killed by any person authorized to enforce the wildlife laws.

(4) No person shall permit any dog the person owns to unlawfully hunt, run or track any game mammal or game bird.