When an Authorized Carrier changes a Subscriber's service, the Authorized Carrier, or its billing and collection agent, shall clearly and conspicuously identify any change in service provider, including the name of the new Authorized Carrier and its telephone number on a bill, a bill insert, or in a separate mailing to the Subscriber. The notice of change shall be printed in both English and Spanish.
Ariz. Admin. Code § R14-2-1906