Delaware Code Title 26. Public Utilities § 924. Prohibitions and changes in preferred carrier selection

(a) No carrier shall bill for intrastate telecommunications services, nor solicit to provide intrastate telecommunication services, within the State, unless such carrier has received a certificate of public convenience and necessity from the Commission.

(b) No submitting carrier shall submit a change in the customer's selection of a carrier prior to obtaining:

(c) No carrier shall bill or collect from any person a charge for any product or service to which such person has not agreed or subscribed, nor for any amount in excess of that specified in the tariff, price list or contract governing the charges for such services.