Ohio R. Prac. S. Ct. 12.06
To facilitate the consideration and disposition of original actions, counsel should submit, when possible, an agreed statement of facts to the Supreme Court. All other evidence shall be submitted by affidavits, stipulations, depositions, and exhibits. Affidavits shall be made on personal knowledge, setting forth facts admissible in evidence, and showing affirmatively that the affiant is competent to testify to all matters stated in the affidavit. Sworn or certified copies of all papers or parts of papers referred to in an affidavit shall be attached.
Relator may file a motion for leave to file rebuttal evidence within the time permitted for the filing of relator's reply brief. Relator's rebuttal evidence shall be attached to the motion for leave.
Ohio. R. Prac. S. Ct. 12.06