Under such rules and regulations as the commission may prescribe, every public utility subject to the jurisdiction of the commission, shall file with the commission, within such time and in such form as the commission may designate, schedules showing all rates established by it and collected or enforced, or to be collected or enforced, within the jurisdiction of the commission. The utility shall keep a copy of such schedules open to public inspection under such rules and regulations as the commission may prescribe.
NMS § 62-8-3