Ohio Revised Code Title XXXI. Domestic Relations Children § 3111.29

(A) File a complaint pursuant to section 2151.231 of the Revised Code in the juvenile court or other court with jurisdiction under section 2101.022 or 2301.03 of the Revised Code of the county in which the child or the guardian or legal custodian of the child resides requesting that the court order the father or mother to pay an amount for the support of the child;

(B) Contact the child support enforcement agency for assistance in obtaining a child support order as defined in section 3119.01 of the Revised Code.