California Code, Public Resources Code - PRC § 29504

(a) Any action taken by a local government on an application for a marsh development permit pursuant to subdivision (a) of Section 29503, except an action denying such an application, may be appealed to the commission.

(b) Except as provided in subdivision (e) of this section, any action taken by a local government on an application for a marsh development permit pursuant to subdivision (b) of Section 29503 may be appealed to the commission.

(c) Prior to certification of the local protection program, the commission, on appeal, shall issue the marsh development permit only if it finds that the proposed development that is the subject of the appeal (1) is in conformity with this division and the policies of the protection plan and (2) will not prejudice the preparation of the local protection program.

(d) Subsequent to certification of the local protection program, the commission, on appeal, shall issue the marsh development permit only if it finds the proposed development that is the subject of the appeal is in conformity with the local protection program.  However, this subdivision does not authorize the commission, on appeal, to consider any action by local government on a marsh development permit which is not appealable to the commission by virtue of the provisions of subdivision (e) of this section.

(e) The following actions of a local government on an application for a marsh development permit are not appealable to the commission under this section: