Letter of Authorization (LOA)

   a. Should be hand-signed and dated within the last 3 months

   b. The local address on the LOA should match 
      the area code of the porting numbers.

   c. VAT Number should be written on the LOA

Copy of Bill 

Note: If your local telephone numbers are currently 
      provided by a reseller, please ask your 
      reseller to let you know the losing carrier 
      name in Belgium to help speed up the number 
      transfer process.

Customer name

Service/Physical address in Belgium (should match the area code and address stated in the business registration)

Updated Copy of Business Registration 

VAT Number 

112