California Code, Labor Code - LAB § 6506

(a) Any employer denied a permit upon application, or whose permit is revoked, may appeal such denial or revocation to the director.

(b) The filing of an appeal to the director from a permit revocation by the division shall not stay the revocation.  Upon application by the employer with proper notice to the division, and after an opportunity for the division to respond to the application, the director may issue an order staying the revocation while the appeal is pending.