Cal. Code Regs. tit. 17 § 2536
No person with a communicable disease subject to isolation not any contact subject to quarantine shall travel or be transported from one place to another within the local health jurisdiction, without the permissions of the local health officer, and no such person shall travel or be transported outside the area of jurisdiction of the health officer until the permission of the health officer into whose jurisdiction the patient is to be brought is obtained. An exception may be made in instances where the patient is to be admitted directly to a hospital for the treatment of the communicable disease, provided that the health officer from whose jurisdiction the case to be transported shall insure that adequate precautions are taken to prevent dissemination of the disease by the patient or his contacts en route to the hospital.
Cal. Code Regs. Tit. 17, § 2536