Except as provided in division (A)(1) of section 3119.86 of the Revised Code, if a court incorporates a separation agreement described in division (A)(2) of section 3119.86 of the Revised Code into a decree of divorce or dissolution, the court may not require the duty of support to continue beyond the date the child's parents have agreed support should terminate.
Support orders may not continue beyond an agreed-upon date in a separation agreement
Ohio Rev. Code Ann. § 3119.862, under Calculation Of Child Support Obligation - Health Insurance Coverage.
Ohio Rev. Code Ann. § 3119.862