Ohio Rev. Code Ann. § 3742.42
(A) In completing the essential maintenance practices portion of the preventive treatments specified in section 3742.41 of the Revised Code, the owner or manager of a residential unit, child care facility, or school shall do all of the following:
(B) The areas of a residential unit, child care facility, or school that are subject to division (A) of this section include all of the following: