Assigned errors, once raised in a brief, may only be waived by the party submitting the brief, in a motion filed with this court. This motion shall be submitted prior to or contemporaneously with oral arguments or submission on the briefs, otherwise leave of court is required. All parties to the appeal shall receive service of the motion prior to or contemporaneously with oral arguments or submission on the briefs. An assigned error, once properly waived, will not be addressed in the opinion of this court.
Ohio. Loc. App. R. 12