PRC § 3311

In those suits, a restraining order shall not be issued ex parte, and a temporary or permanent injunction issued in the proceedings shall not be refused or dissolved or stayed pending appeal upon the giving of any bond or undertaking or otherwise, but otherwise the procedure, including the procedure on appeal, shall be conformable with the provisions of Chapter 3 (commencing with Section 525) of Title 7 of Part 2 of the Code of Civil Procedure.

In the proceedings, the findings of the supervisor, unless set aside, or except to the extent modified, by the director, shall constitute prima facie evidence of the unreasonable wastage of gas therein found to be occurring or threatened.