Public Utilities Code section 766.5

The 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: Section 766.5, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PUC§ionNum=766.­5.­ (updated Jan. 1, 1984; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 766.5's source at ca​.gov