Ohio Rev. Code § 3123.18
If a court or child support enforcement agency made a final and enforceable determination under sections 3123.02 to 3123.071 of the Revised Code as those sections existed prior to the effective date of this section or makes a final and enforceable determination under sections 3123.01 to 3123.07 of the Revised Code that an obligor is in default under a support order, each payment or installment that was due and unpaid under the support order that is the basis for the default determination plus any arrearage amounts that accrue after the default determination and during the period of default shall be a final judgment which has the full force, effects, and attributes of a judgment entered by a court of this state for which execution may issue under Title XXIII of the Revised Code.
R.C. § 3123.18