Ohio Rev. Code § 5165.86
The department of medicaid, the department of health, and any contracting agency shall deliver a written notice, statement, or order to a nursing facility under sections 5165.60 to 5165.66 and 5165.69 to 5165.89 of the Revised Code by certified mail , hand delivery, or other means reasonably calculated to provide prompt actual notice. If the notice, statement, or order is mailed, it shall be addressed to the administrator of the facility as indicated in the department's or agency's records. If it is hand delivered, it shall be delivered to a person at the facility who would appear to the average prudent person to have authority to accept it.
Delivery of written notice by a nursing facility to the department of health, the department of medicaid, or a contracting agency under sections 5165.60 to 5165.89 of the Revised Code shall be by certified mail , hand delivery, or other means reasonably calculated to provide prompt actual notice to the appropriate department or the agency.
R.C. § 5165.86