Ohio Rev. Code § 3119.40
If a person who received a notice of medical support enforcement activity files a timely written motion for a court hearing to determine whether there is still a mistake of fact in the national medical support notice referred to in the notice of medical support enforcement activity, the court shall hold a hearing as soon as possible, but not later than ten days, after the motion is filed. Not later than five days before the date the court hearing is to be held, the court shall send the person and any other individual the agency determines appropriate written notice by regular mail of the date, time, place, and purpose of that hearing. The hearing shall be limited to a determination of whether there is a mistake of fact in the national medical support notice.
At the hearing, the court shall determine whether there is a mistake of fact in the national medical support notice. On conclusion of the hearing, the court shall make its determination. The determination is final. The court shall take further action as provided in section 3119.41 of the Revised Code.
R.C. § 3119.40