Cal. Public Utilities Code § 2799

(a) The mobilehome park or manufactured housing community owner may, by written notice, stop the transfer process at any time. Within 60 days of delivery to the park or community owner of an itemized bill, the owner shall reimburse the gas or electric corporation for all costs incurred through the date notice is provided. (b) At any time during the transfer of ownership process, either party may apply to the commission for informal mediation and resolution of any issue, finding, determination, or delay in the conversion process. (c) If the initiation of the transfer process does not result in a transfer of the park or community owner’s gas or electric system to the gas or electric corporation, all information, data, reports, studies, and proposals shall be retained by the gas or electric corporation for a period of five years or offered to the park or community owner. Prior to disposal of the records, the gas or electric corporation shall offer them to the park or community owner, except that the gas or electric corporation shall not be required to provide proprietary information to the park or community owner.