13. Cages, except cages used for the transportation of animals, and enclosures must be sufficiently large for the animal to stand up and sit normally, turn around easily, stretch out full length and lie on its side with its legs fully extended.
A cage is a container for confining an animal, usually having a floor, a ceiling and 4 walls at least 1 of which is a mesh or trellis or has openings over most of its surface. A cage may be portable or fixed.
An enclosure is an enclosed area for confining an animal, but not large enough for a dog to run. An enclosure may be indoor or outdoor.