Ohio Rev. Code Ann. § 2951.08
(A) During a period of community control, any field officer or probation officer may arrest the person under a community control sanction without a warrant and bring the person before the judge or magistrate before whom the cause was pending. During a period of community control, any peace officer may arrest the person under a community control sanction without a warrant upon the written order of the chief probation officer of the probation agency if the person under a community control sanction is under the supervision of that probation agency or on the order of an officer of the adult parole authority created pursuant to section 5149.02 of the Revised Code if the person under a community control sanction is under the supervision of the authority. During a period of community control, any peace officer may arrest the person under a community control sanction on the warrant of the judge or magistrate before whom the cause was pending. During a period of community control, any peace officer may arrest the person under a community control sanction without a warrant if the peace officer has reasonable ground to believe that the person has violated or is violating any of the following that is a condition of the person's community control sanction: