1) The Licensee has been assigned the Number; 2) The Number is to be used for a service that satisfies the applicable Usage Conditions; and, 3) The Number has “Available” as its Utilization Status. 32. Conditions for Barring Numbers The Authority may notify Licensees that traffic is not to be routed to and from a Number if: 1) The Number is in a Block that does not have “Assigned” as its Allocation Status; or, 2) The Number is used for a service that does not satisfy the applicable Usage Conditions. 33. Limitations on Routing Traffic to and from Numbers Every Licensee shall route traffic to and from a Number to which another Licensee is providing service unless: 1) The Authority, pursuant to Article 32 of this Directive, has notified the Licensee to the contrary; or, 2) The Number is in a Block that has Usage Conditions which clearly provide otherwise. PART NINE PORTING NUMBERS 34. Factors in implementing Number Portability In developing or in the ongoing management of the National Numbering Plan and pursuant to Article 28 (4) of the Proclamation, the Authority may issue one or more decisions or directions or Directives regarding the introduction of Number Portability. In issuing such decisions or directions or Directives, the Authority shall consult with Licensees regarding implementation factors including but not limited to: 1) Helping customers to understand the relation between Numbers and charges for calls and messages, and how charges may change if there is Number Portability; 2) Facilitating the use of Number Portability, once implemented; and, 3) The benefits and costs of Number Portability. 35. Conditions for Exporting Numbers Every Licensee that is providing service to a Number shall facilitate the provision of service through the Number by another Licensee if: 1) The Authority, pursuant to Article 32 of this Directive, has not notified the Licensee to the contrary; 2) The other Licensee has undertaken to provide service to the Number; and, 3) The Number is in a Block for which Number Portability has been introduced pursuant to Article 34 of this Directive. 36. Conditions for Importing Numbers A Licensee shall not undertake to provide service to a Number assigned to another Licensee unless: 9