Section 31.21.01.202 - DUE DATE OF BILLS - DELINQUENT BILLS01.Ordinary Due Date. The utility may require that bills for service be paid within a specified time after the billing date. The minimum specified time after the billing date is fifteen (15) days (or twelve (12) days after mailing or delivery, if bills are mailed or delivered more than three (3) days after the billing date.) Upon the expiration of this time without payment, the bill may be considered delinquent.02.Hardship Exemption. When a residential customer certifies in writing to the utility that payment by the ordinary due date creates a hardship due to the particular date when the customer receives funds, the utility will either extend the due date up to an additional fifteen (15) days or bill the customer in a cycle that corresponds to the customer's receipt of funds.Idaho Admin. Code r. 31.21.01.202