If the sales contract does not separately identify the price charged for the transmission or distribution of electricity, the sales price of the electricity shall be sitused to this state in accordance with division (D) of this section.
The taxpayer's request shall be in writing and shall be filed with the report required by section 5733.02 of the Revised Code, a timely filed petition for reassessment, or a timely filed amended report. An alternative situsing method shall be effective with the approval of the tax commissioner.
Nothing in this section shall be construed to extend any statute of limitations set forth in this chapter.
R.C. §5733.059