Section 766.5.
Cal. Public Utilities Code - PUC § 766.5.
in effectThe commission shall investigate the practices of every telephone corporation in billing its subscribers for telephone calls, including, but not limited to, whether a corporation is unable to determine whether any telephone call was not completed and as a consequence may charge the subscriber for that uncompleted call. If the commission finds that any corporation does not have the capability of determining in every instance whether a call placed by a subscriber was completed, the commission shall require the corporation to furnish written notice, in a form and manner approved by the commission, to its subscribers of its billing practices, including, but not
limited to, its practice of charging for calls placed but not completed.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026