R6‑80 REQUIREMENTS FOR DEPRECIATION STUDIES
Each natural gas utility shall make a depreciation study at least once every five years. All such studies, including any proposed changes in depreciation rates, shall be submitted to the Commission for approval.
(NCUC Docket No. G‑100, Sub 8, 3/23/67; NCUC Docket No. G‑100, Sub 10, 7/26/67; NCUC Docket No. G-100, Sub 62, 10/15/92.)