CA Rev & Tax Code Section 20645.1

If the Controller determines that postponement has been erroneously granted under this part, or if a claimant is aggrieved by the denial in whole or in part for postponement, the claimant shall have the right to appeal to the Controller or his designee under the appeal procedures established by the Controller’s office. For the purpose of this section, disclosure of information relating to an appeal by a claimant is prohibited unless required for administrative purposes by the Controller.