As used in this subchapter, unless the context otherwise requires:

(1) “Carrier” shall mean any person or entity offering to the public telecommunications service that originates or terminates within the State; provided, however, that the term “carrier” shall not include:

a. Any political subdivision, public or private institution of higher education or municipal corporation of this State or operated by their lessees or operating agents that provides telephone service for the sole use of such political subdivisions, public or private institutions of higher learning or municipal corporations;

b. A company that provides telecommunications services solely to itself and its affiliates or members or between points in the same building, or between closely located buildings which are affiliated through substantial common ownership, and does not offer such services to the available general public;

c. Providers of domestic public land mobile radio service provided by cellular technology; and

d. Payphone service providers.

(2) “Change order” shall mean any order changing a customer’s designated carrier for local exchange service, intraLATA intrastate toll service or both.

(3) “Commission” shall mean the Delaware Public Service Commission.

(4) “Customer” shall mean a person who subscribes to local exchange services, intraLATA intrastate toll service or both.

(5) “Executing carrier” shall mean a carrier that effects a request that a customer’s carrier be changed.

(6) “Letter of agency” shall mean a separate document, or easily separable document, signed and dated by the customer or prospective customer, the sole purpose of which is to authorize a carrier to initiate a preferred carrier change.

(7) “Preferred carrier” shall mean any carrier providing service to a customer at the time this subchapter is enacted, or such carrier as the customer thereafter designates as the customer’s preferred carrier.

(8) “Submitting carrier” shall mean any carrier that requests on behalf of a customer that the customer’s carrier be changed, and seeks to provide retail services to an end user customer.

72 Del. Laws, c. 487, § 1.