Ohio Revised Code Title I. State Government § 122.655

(A) A no further action letter issued under section 122.654 of the Revised Code, a covenant not to sue issued under Chapter 3746. of the Revised Code and rules adopted under it, if applicable, and any restrictions on the use of the property that are needed in order to comply with the applicable cleanup standards shall be filed by the applicant in the office of the county recorder of the county in which the property is located and shall be recorded in the same manner as a deed to the property.

No applicant shall fail to comply with this division.

(B) Pursuant to Chapter 5309. of the Revised Code, a no further action letter issued under section 122.654 of the Revised Code, a covenant not to sue issued under Chapter 3746. of the Revised Code and rules adopted under it, if applicable, and any restrictions on the use of the property, as described in division (A) of this section, in connection with registered land, as defined in section 5309.01 of the Revised Code, shall be entered as a memorial on the page of the register where the title of the owner is registered.