Ohio Rev. Code Ann. § 5123.01
As used in this chapter:
(O) "Person with an intellectual disability subject to institutionalization by court order" means a person eighteen years of age or older with at least a moderate level of intellectual disability and in relation to whom, because of the person's disability, either of the following conditions exists:
(Q) "Developmental disability" means a severe, chronic disability that is characterized by all of the following:
(4) It results in one of the following:
(S) "Residence" and "legal residence" have the same meaning as "legal settlement," which is acquired by residing in Ohio for a period of one year without receiving general assistance prior to July 17, 1995, under former Chapter 5113. of the Revised Code, financial assistance under Chapter 5115. of the Revised Code, or assistance from a private agency that maintains records of assistance given. A person having a legal settlement in the state shall be considered as having legal settlement in the assistance area in which the person resides. No adult person coming into this state and having a spouse or minor children residing in another state shall obtain a legal settlement in this state as long as the spouse or minor children are receiving public assistance, care, or support at the expense of the other state or its subdivisions. For the purpose of determining the legal settlement of a person who is living in a public or private institution or in a home subject to licensing by the department of job and family services, the department of mental health and addiction services, or the department of developmental disabilities, the residence of the person shall be considered as though the person were residing in the county in which the person was living prior to the person's entrance into the institution or home. Settlement once acquired shall continue until a person has been continuously absent from Ohio for a period of one year or has acquired a legal residence in another state. A woman who marries a man with legal settlement in any county immediately acquires the settlement of her husband. The legal settlement of a minor is that of the parents, surviving parent, sole parent, parent who is designated the residential parent and legal custodian by a court, other adult having permanent custody awarded by a court, or guardian of the person of the minor, provided that:
(T)