Section 6-80-42 - Cost studies(a) The incumbent telecommunications carrier shall complete and submit a cost study for all tariffs of noncompetitive services, unless ordered otherwise by the commission.(b) A non-incumbent telecommunications carrier need not submit a cost study for any tariff, whether for fully competitive, partially competitive or noncompetitive service, unless ordered otherwise by the commission.(c) The commission may, on its own initiative or at the request of a telecommunications carrier or the consumer advocate, order any telecommunications carrier to complete and submit a cost study to the commission for any service.(d) Any cost study, where required, must include an analysis of the total service long run incremental cost underlying the service, unless ordered otherwise by the commission.[Eff ] (Auth: HRS §§ 269-6, 269-34 to 43) (Imp: HRS §§ 269-8, 269-34 to 43)