California Code, Health and Safety Code - HSC § 121745

(a) Whenever the director finds that psittacosis, or any other diseases transmissible to man from pet birds, have become a public health hazard to the extent that control measures are necessary or desirable, the department shall adopt additional regulations as it deems necessary for the public health; and these regulations shall apply to all pet birds whether or not of a species otherwise regulated under this chapter. These regulations shall be adopted in accordance with Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code.

(b) This section shall not be operative during the 1993-94 fiscal year.