Section 6-80-100 - Customer billing(a) A telecommunications carrier shall bill its customers on a regular basis. At a minimum and as applicable, each bill must itemize the following: (1) The exchange access charges for the services requested by the customer;(2) The extended area service charges, when segregated as a separate tariff element;(3) The enhanced and other local service charges;(4) The period of time for which the local service and equipment charges apply;(5) If the carrier has assumed responsibility for collecting toll charges, the toll calls charged to the customer's account, the date and time of each call, the length of each call, the destination of each call or point of origin for collect or third party calls, or both the destination and point of origin;(6) The telephone number of the carrier's business office;(7) The due date of the bill;(8) State and federal taxes, if applicable; and(9) The interstate customer line charges.(b) A telecommunications carrier shall apply any partial payment of a bill to the discharge of what is due for basic service before applying the payment to the discharge of what is due for any other service.[Eff ] (Auth: HRS §§ 269-6, 269-34 to 43) (Imp: HRS §§ 269-34 to 43)