Ref. RSA 466:31 Dogs a Menace, Nuisance, or Vicious:
A dog is considered to be a nuisance, a menace or vicious to persons or property under any or all but not limited to the following conditions:

a)
The dog is “at large.”
b)
The dog barks for sustained periods of more than ½ hour, or during the night.
c)
The dog digs, scratches, or excretes, or causes waste or garbage to be scattered on property other than its owner’s.
d)
The female dog in season (heat) is permitted to run at large or be off the premises of the owner or keeper during this period.
e)
The dog growls, snaps at, runs after or chases any person or persons.
f)
The dog runs after, or chases bicycles, motor vehicles, motorcycles, or other vehicles being driven, pulled or pushed on the streets, highways, or public ways.
g)
The dog, whether alone or in a pack with other dogs, bites, attacks, or preys on game animals, domestic animals, fowl, or human beings.

Ref. RSA 436:105 Animal Bites
All animal bites or any skin break wounds, and any contact between domestic animals and wildlife should be reported to the Bedford Police Department Animal Control Division. For safety, state law requires documentation, monitoring of domestic animals, and vet exams. It is sometimes necessary to test animals for rabies, especially in cases of wildlife bites.

Ref. RSA 644:8 Cruelty to Animals
“… acts or omissions injurious or detrimental to the health, safety or welfare of any animal: …deprive any animal in his possession or custody necessary care, sustenance or shelter, negligently beat or transport…” "shelter" or "necessary shelter" for dogs shall mean any natural or artificial area which provides protection from the direct sunlight when that sunlight is likely to cause heat exhaustion of a dog tied or caged outside. Shelter from inclement weather shall have an area within to afford the dog the ability to stand up, turn around and lie down, and be of proportionate size as to allow the natural body heat of the dog to be retained.

Ref. RSA 644:8-AA Animal in Motor Vehicle
It shall be cruelty to confine an animal in a motor vehicle or other enclosed space in which the temperature is either
so high or so low as to cause serious harm to the animal.

Ref. 644:8-f Transporting Dogs in Pickup Trucks.
No person driving a pickup truck shall transport any dog in the back of the vehicle on a public way, unless the space is enclosed or has side and tail racks to a height of at least 46 inches extending vertically from the floor, the dog is cross tethered to the vehicle, the dog is protected by a secured container or cage, or the dog is otherwise protected, in a manner which will prevent the dog from being thrown or from falling or jumping from the vehicle.