Section 10-619 - Dangerous dog(a)(1) In this section the following words have the meanings indicated.(2) "Dangerous dog" means a dog that: (i) without provocation has killed or inflicted severe injury on a person; or(ii) is determined by the appropriate unit of a county or municipal corporation under subsection (c) of this section to be a potentially dangerous dog and, after the determination is made: 2. when not on its owner's real property, kills or inflicts severe injury on a domestic animal; or3. attacks without provocation.(3)(i) "Owner's real property" means real property owned or leased by the owner of a dog.(ii) "Owner's real property" does not include a public right-of-way or a common area of a condominium, apartment complex, or townhouse development.(4) "Severe injury" means a physical injury that results in broken bones or disfiguring lacerations requiring multiple sutures or cosmetic surgery.(b) This section does not apply to a dog owned by and working for a governmental or law enforcement unit.(c) An appropriate unit of a county or municipal corporation may determine that a dog is potentially dangerous if the unit:(1) finds that the dog: (i) has inflicted a bite on a person while on public or private real property;(ii) when not on its owner's real property, has killed or inflicted severe injury on a domestic animal; or(iii) has attacked without provocation; and(2) notifies the dog owner in writing of the reasons for this determination.(d) A dog owner may not: (1) leave a dangerous dog unattended on the owner's real property unless the dog is:(ii) in a securely enclosed and locked pen; or(iii) in another structure designed to restrain the dog; or(2) allow a dangerous dog to leave the owner's real property unless the dog is leashed and muzzled, or is otherwise securely restrained and muzzled.(e) An owner of a dangerous dog or potentially dangerous dog who sells or gives the dog to another shall notify in writing:(1) the authority that made the determination under subsection (c) of this section, of the name and address of the new owner of the dog; and(2) the person taking possession of the dog, of the dangerous behavior or potentially dangerous behavior of the dog.(f) A person who violates this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $2,500.