Ohio Revised Code Title XI. Banks Savings and Loan Associations § 1109.18

(A) A bank may extend credit to a customer pursuant to a revolving credit agreement allowing the customer to access the credit from time to time, subject to a limitation on the outstanding balance of the credit accessed and without regard to whether the customer has previously accessed and repaid the credit. A revolving credit agreement may authorize the customer to access the credit extended by either or both of the following:

(B) The terms of a revolving credit agreement may permit the bank to charge, collect, and receive any finance charge or other fee or charge permitted by section 1109.20 of the Revised Code. A revolving credit agreement shall specify the manner in which the bank will compute the loan balance on which interest and finance charges are assessed as permitted by section 1109.20 of the Revised Code. A revolving credit agreement may permit the bank to charge a minimum monthly finance charge of one dollar for any month for which there is an unpaid balance on the customer's account.

(C) The bank shall supply to its customer under a revolving credit agreement a statement as of the beginning or end of each period in which there is any unpaid balance on the customer's account, which period may be a calendar month or other regular period not in excess of thirty-one days. The statement shall include the following: