Ohio Rev. Code § 3733.42
The director of health, subject to sections 119.01 to 119.13 of the Revised Code, shall adopt rules having a uniform application throughout the state, governing the issuance of licenses, location, layout, construction, approval of plans, sanitation, safety, operation, use, and maintenance of agricultural labor camps. The rules shall establish minimum standards of habitability with which a licensee shall comply in operating an agricultural labor camp. The rules shall establish, beyond minimum standards of habitability, additional standards of habitability for those camps and shall establish priorities for those additional standards with which a licensee may voluntarily comply.
In addition to meeting the requirements of section 119.03 of the Revised Code, the director of health shall mail a notice of the date, time, and place of any hearing on the adoption, amendment, or rescission of such rules and the full text of the proposed rule, amendment, or rule to be rescinded, at least thirty days prior to the hearing date, to all persons currently authorized or licensed to operate camps by the department of health, or authorized or licensed to operate camps in the previous calendar year.
R.C. § 3733.42