Ohio Rev. Code Ann. § 5701.13
(A) As used in this section:
(B) As used in Title LVII of the Revised Code, and for the purpose of other sections of the Revised Code that refer specifically to Chapter 5701. or section 5701.13 of the Revised Code, a "home for the aged" means either of the following:
(1) A place of residence for aged and infirm persons that satisfies divisions (B)(1)(a) to (e) of this section:
(C)
(2) If a corporation, association, or trust is considered to be operating a "home for the aged" pursuant to division (C)(1) of this section, the corporation, association, or trust shall notify the tax commissioner in writing upon the occurrence of any of the following events: