ORS 167.343: Unlawful tethering.

(1) A person commits the offense of unlawful tethering if the person tethers a domestic animal in the person’s custody or control:

      (a) With a tether that is not a reasonable length given the size of the domestic animal and available space and that allows the domestic animal to become entangled in a manner that risks the health or safety of the domestic animal;

      (b) With a collar that pinches or chokes the domestic animal when pulled;

      (c) For more than 10 hours in a 24-hour period; or

      (d) For more than 15 hours in a 24-hour period if the tether is attached to a running line, pulley or trolley system.

      (2) A person does not violate this section if the person tethers a domestic animal:

      (a) While the domestic animal remains in the physical presence of the person who owns, possesses, controls or otherwise has charge of the domestic animal;

      (b) Pursuant to the requirements of a campground or other recreational area;

      (c) For the purpose of engaging in an activity that requires licensure in this state, including but not limited to hunting;

      (d) To allow the person to transport the domestic animal; or

      (e) That is a dog kept for herding, protecting livestock or dogsledding.

      (3) Unlawful tethering is a Class B violation.