Ohio Rev. Code § 3717.041
To assist in the uniform application of the rules adopted under this chapter, the director of agriculture and director of health shall jointly issue a letter of opinion when issuance of a letter of opinion is recommended by the retail food safety advisory council under section 3717.03 of the Revised Code. A letter of opinion shall be issued not later than sixty days after the date the recommendation is received from the council.
Each letter of opinion shall provide a detailed interpretation of the rules that are the subject of the retail food safety advisory council's recommendation. Unless rules are adopted under this chapter that override the interpretation expressed in a letter of opinion, the interpretation shall be binding and applied uniformly throughout this state.
R.C. §3717.041