The failure of a person to send any notice required by section 3121.03, 3121.036, 3121.05, 3121.06, or 3121.12 of the Revised Code shall be considered contempt of court.
Contempt for failure to send notice
Ohio Rev. Code Ann. § 3121.372, under Chapter 3121 | Collection and Disbursement of Child Support.
Ohio Rev. Code Ann. § 3121.372