Ohio Rev. Code § 5715.30
The tax commissioner shall prescribe for and furnish to all county boards of revision, county auditors, and county treasurers blank forms for all oaths of office, statements, returns, reports, tax lists and duplicates, abstracts, records of proceedings, complaints, notices of appeal, tax bills, receipts, and all other documents, files, and records authorized or required by any law which relates to the assessment, levy, or collection of taxes or the reduction of taxes or by any rules, orders, or instructions of the commissioner. The commissioner shall prescribe a form for tax lists and duplicates to insure proper administration of sections 319.301, 319.302, and 323.151 to 323.159 of the Revised Code. The commissioner shall prescribe and furnish blank forms of records and papers for all proceedings and official actions authorized or required by any law which relates to the assessment, levy, or collection of taxes or by any rules, orders, or instruction of the commissioner. Auditors, treasurers, all other officers, and all persons required to list property for taxation shall use true copies of such blank forms.
R.C. §5715.30