Ohio Rev. Code § 2938.15: Rules of evidence and procedure.

The rules of evidence and procedure, including those governing notices, proof of special matters, depositions, and joinder of defendants and offenses set forth in Chapter 2945. of the Revised Code, which are not, by their nature, inapplicable to the trial of misdemeanors, shall prevail in trials under Chapter 2938. of the Revised Code where no special provision is made in such chapter, or where no provision is made by rule of the supreme court adopted pursuant to section 2937.46 of the Revised Code.