(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:

1. (1) Purchasing goods or services from a seller by means of the bank's commitment to advance to the seller the payment for the goods and services purchased by the customer;
2. (2) Obtaining an advance of funds by the bank or by another in reliance on the bank's commitment to pay the funds advanced to the customer.

(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:

1. (1) The unpaid balance under the agreement at the beginning and end of the period;
2. (2) The date and amount of each advance made by the bank for the account of the customer during the period;
3. (3) The cash purchase price and the date of each purchase of goods or services with respect to which advances for the account of the customer were made during the period;
4. (4) All payments made by the customer to the bank and any other credits to the customer during the period;
5. (5) The amount of all charges made against the customer during the period;
6. (6) A legend to the effect that the customer may at any time pay the unpaid balance without incurring further charges.