Ohio Rev. Code § 327.07: Record of proceedings and transactions.

The board of trustees of the sinking fund shall keep a full and complete record of its transactions, a complete record of the funded debt of the county specifying the dates, purposes, amounts, numbers, maturities, and rates, and maturities of interest installments on such debt, where such installments are payable, and an account exhibiting the amount held in the sinking fund for the payment thereof.