Except as provided in S.Ct.Prac.R. 3.13, 17.08, and 17.09, merit briefs shall not be supplemented. If a relevant authority is issued after the deadline has passed for filing a party's merit brief, that party may file a citation to the relevant authority but shall not file additional argument. In cases scheduled for oral argument, citations to additional authority may be filed pursuant to S.Ct.Prac.R. 17.08.
Ohio. R. Prac. S. Ct. 16.08