The following words and phrases whenever used in this chapter shall be construed as defined in this section.
A. “Keeper” means a person who owns, harbors or has charge, control, custody or possession of a dog.
B. “Service animal” means an animal that is individually trained to perform tasks for a person with a disability and trained to obey the commands of its keeper. A pet, companion, or therapy animal is not a service animal unless the animal has successfully completed such training. The tasks may include, but are not limited to, guiding a person who is visually impaired or blind; alerting a person who is deaf or hard of hearing; pulling a wheelchair; assisting with mobility or balance; alerting and protecting a person who is having a seizure, retrieving objects, or performing other special tasks.
C. “Obstructs” means occupies sidewalk space so as to construct uninhibited pedestrian passageway to a width of less than six (6) feet without a City permit.
D. “Menaces” means lunging, growling, snarling or other behavior by a dog that would cause a reasonable person to fear for the person’s safety.
E. “Runs at large” means that a dog is off or outside the premises from which the keeper of the dog may lawfully exclude others, or is not in the company of and under the control of its keeper.
F. “Potentially dangerous dog” means:
1. Without provocation and while not on premises from which the keeper may lawfully exclude others, menaces the person;
2. Without provocation, inflicts physical injury on a person that is less severe than a serious physical injury; or
3. Without provocation and while not on premises from which the keeper may lawfully exclude other, inflicts physical injury on or kills a companion animal or livestock as defined in ORS 164.055(2).