Ohio Rev. Code Ann. § 2305.237
(A) Except as provided in division (B) of this section and subject to section 2305.239 of the Revised Code, a shelter for victims of domestic violence and a director, owner, trustee, officer, employee, victim advocate, or volunteer of the shelter are not liable in damages in a tort action for harm that a shelter client or other person who is on the shelter's premises allegedly sustains as a result of tortious conduct of a perpetrator that is committed on the shelter's premises if the perpetrator is not a director, owner, trustee, officer, employee, victim advocate, or volunteer of the shelter and if any of the following situations applies:
(3) The perpetrator legally entered the premises; a director, owner, trustee, officer, employee, victim advocate, or volunteer of the shelter granted the perpetrator permission to remain on the premises after taking either of the following precautionary steps; and, despite taking either of those steps, the perpetrator committed the tortious conduct that allegedly caused the harm sustained by a shelter client or other person who is on the premises: