Why I Think That The AVMA Included This Guideline to Their Lists of Guidelines
I think that the AVMA included this guideline to their list of guidelines because if your pet is not on a collar or leash, they can make real damage to property or even to people.Many people will also think that you don't care about other people and your pets.
Adhering to local ordinances, including licensing and leash requirements.
The person who is liable for all damages caused by dogs that run at large. A dog is considered to be running at large if it is off the premises of its owner and not under the control of the owner or some other person.