Section 660.143 - Installation cost to be reduced, how determined - changes in service or disconnecting because no longer eligible, charges prohibited1. When initial installation or connection of service for an eligible subscriber for economy rate telephone service occurs, the applicable and approved rate for such installation or connection shall be a significantly reduced one which shall be determined by the commission.2. A local exchange telecommunications company which elects to provide economy rate telephone service may not require the payment of an order processing charge or line change charge for an eligible subscriber's change to economy rate telephone service from any other class of residential service. If a subscriber to economy rate telephone service no longer qualifies as an eligible subscriber under sections 660.137 to 660.149, that subscriber may not be charged a fee for disconnecting from economy rate telephone service and connecting to another class of telephone service, except that the commission may allow the local exchange telecommunications company by commission regulations to charge a fee for eligible subscribers who frequently change, initiate, or terminate service.L. 1986 H.B. 1301 § 2 subsecs. 5, 6, A.L. 1988 H.B. 1290