California Code, Public Resources Code - PRC § 4493

(a) Upon receipt of an application, the department shall inspect the land in company with the applicant to determine whether a permit shall be granted, shall prescribe the manner in which the site for the prescribed burning shall be prepared, and shall require any precautions to be taken by the applicant as may be considered reasonable to prevent damage to the property of others by reason of the burning. The precautions shall, if deemed necessary, include the advance preparation of firebreaks and the firefighting equipment and personnel desirable to conduct the prescribed burning.

(b) In issuing the permit, the department shall consider the availability of nondepartmental contingency resources when determining whether to require department contingency resources as part of the required precautions.

(c) The department shall, to the extent feasible, employ burn suspensions at the unit level, and not at the state or regional level, to not unreasonably restrict prescribed burning operations that are within prescription.