62-133.11. Rate adjustment for changes in costs based on third-party rates.
(a) The Commission shall permit a water or sewer public utility to adjust its rates approved pursuant to G.S. 62-133 to reflect changes in costs based solely upon changes in the rates imposed by third-party suppliers of purchased water or sewer service, including applicable taxes and fees.
(b) Any water or sewer public utility seeking to adjust its rates pursuant to this section shall file a verified petition in such form and detail as the Commission may require.
(c) The Commission shall issue an order approving, denying, or approving with modifications a rate adjustment requested pursuant to this section within 60 days of the date of filing of a completed petition, unless that time is for good cause extended up to a maximum of 90 days.