Contents of bill for service.

Each bill for service issued by a utility to a customer must set forth: 1. Any previous balance; 2. The amount due for service provided during the current billing period; 3. Sufficient information upon which to calculate any charge for late payment; 4. Any other authorized charge or tax; 5. Any unregulated charge; 6. The total of the preceding amounts; 7. The first and last day of the billing period for local service; 8. The date the bill is past due; 9. A summary of the provisions of NAC 704.4145 , as required by subsection 4 of that section; and 10. The telephone number of the utility where the customer may obtain information about his or her bill or the service provided.