Ohio Revised Code Title XXI. Courts Probate Juvenile § 2151.42

(A) At any hearing in which a court is asked to modify or terminate an order of disposition issued under section 2151.353, 2151.415, or 2151.417 of the Revised Code, the court, in determining whether to return the child to the child's parents, shall consider whether it is in the best interest of the child.

(B) An order of disposition issued under division (A)(3) of section 2151.353, division (A)(3) of section 2151.415, or section 2151.417 of the Revised Code granting legal custody of a child to a person is intended to be permanent in nature. A court shall not modify or terminate an order granting legal custody of a child unless it finds, based on facts that have arisen since the order was issued or that were unknown to the court at that time, that a change has occurred in the circumstances of the child or the person who was granted legal custody, and that modification or termination of the order is necessary to serve the best interest of the child.