Penal Code § 597t

Every person who keeps an animal confined in an enclosed area shall provide it with an adequate exercise area. If the animal is restricted by a leash, rope, or chain, the leash, rope, or chain shall be affixed in such a manner that it will prevent the animal from becoming entangled or injured and permit the animal’s access to adequate shelter, food, and water. Violation of this section constitutes a misdemeanor.

This section shall not apply to an animal which is in transit, in a vehicle, or in the immediate control of a person.