California Code, Fish and Game Code - FGC § 219

(a) The regulation is necessary for the protection of fish, wildlife, and other natural resources under the jurisdiction of the commission.

(b) The commission determines that an emergency exists or will exist unless the action is taken.  An emergency exists if there is an immediate threat to the public health, safety, and welfare, or to the population or habitat of any species.

A regulation which is adopted pursuant to this section shall be supported by written findings adopted by the commission at the time of the adoption of the regulation setting forth the basis for the regulation.

A regulation adopted pursuant to this section shall remain in effect for not more than 12 months from its effective date.