As used in this section:
The report shall show separately the property used and useful to such public utility or railroad in the furnishing of the service to the public, the property held by such public utility or railroad for other purposes, and the property projected to be used and useful to or held by a natural gas, water-works, or sewage disposal system company as of the date certain, and such other items as the commission considers proper. The commission may require an additional report showing the extent to which the property is used and useful, or, with respect to a natural gas, water-works, or sewage disposal system company, projected to be used and useful as of the date certain. Such reports shall be filed in the office of the commission for the information of the governor and the general assembly.
R.C. § 4909.05