Ohio Rev. Code Ann. § 3731.02
(B) Except as otherwise provided in this division and divisions (C) and (D) of this section, the board of building standards shall adopt, pursuant to section 3781.10 of the Revised Code, rules that specify that the building code standards for SRO facilities shall be use group R-2. Any facility operating prior to October 16, 1996, in the nature of an SRO facility that met the building code standards for an SRO facility prior to that date, whether previously licensed as a hotel or not, and after October 16, 1996, licensed as an SRO facility under section 3731.03 of the Revised Code, shall be permitted under the rules to have a building code standard of either use group R-1 or use group R-2 if the facility meets the requirements for those use groups as specified in the Ohio building code adopted pursuant to section 3781.10 of the Revised Code. The requirements of this division apply to an SRO facility that holds a license as an SRO facility on September 12, 2008, unless any of the following events occur on or after September 12, 2008: