(A) The following facilities are not required to be licensed by the department and are not residential facilities subject to licensure by the department:
(1) The residence of a relative, or guardian of a person with mental illness;
(2) A hospital subject to licensure under section 5119.20 of the Revised Code;
(3) A residential facility as defined in section 5123.19 of the Revised Code; and
(4) All other facilities excluded from licensure in accordance with division
(A)(1)(d)(iii) of section 5119.22 of the Revised Code.