Disability rights information for service animals and emotional support animals in housing. These Massachusetts statutes comprise the state's dog laws.Among the provisions include licensing laws, dangerous dog laws, and rabies vaccination provisions. Chapter 140 — Section 168. Service of order to muzzle or restrain dogs; penalty. This publication is a guide for Massachusetts police and animal control officers who enforce laws relating to animals. This form should be filled out one per household with each dog's information.