Invoice Format

Invoices that mean business

We listened to what our customers were saying about our invoices and took many of their suggestions on board so that they could be improved. We've made them easier to read, ensured that the details of our services and what they cost are clearer, and have added new information to ensure you always have the complete picture.

If you can't find the answers you're looking for using our self-help pages, please email our Customer Relationship Management team.

Your front page

On the front page is the overview: your account number, the invoice number and date, the service billing totals for the period covered by the invoice and the date by which it's due. See points below:

  1. Customer's billing address
  2. Customer's own reference number at account level
  3. The account detail section provides key information about your contract - including main account and the subsidiary billing account details
  4. Purchase order number at account level
  5. Invoice generation date & tax date
  6. Date the funds are due at Colt
  7. Total service charges for each service subscribed to
  8. Currency
  9. Total service charges for the period
  10. Total other charges and discounts for this period
  11. Total service charges, other charges and discounts before tax
  12. Total amount due including tax
  13. Customer's legal address
  14. Currency conversion rate information will only show where invoice currency is different to the base currency.
  15. VAT, legislative, regulative statements and direct debit information
  16. General invoice message box
Invoice2019 - 1

Front page (Reverse)

On the reverse side of the front page you will find a Glossary of terms and a list of frequently asked questions to help you understand the invoice. There are also details about how to contact us. See points below:

  1. Colt Technology Service company registration and VAT details
  2. Colt Technology Services' contact information
  3. Relevant Colt payment information
  4. Glossary of terms and frequently asked questions to assist Colt customers
  5. Colt customer change of address process
  6. In some incidents, customers will receive a remittance slip to assist with payments
Invoice2019 -2


This is where you’ll find a detailed breakdown of all the charges that relate to the products you buy from us as well as your billing details.

You won’t find individual voice calls itemised on our invoices because that would mean using up too much paper. We are working hard to be environmentally friendly, so if you want to check through an itemised list then you can do it online. To register for Colt Online please go to See points below:

  1. Account section carried forward
  2. Contact number at subscription level
  3. Line item description date
  4. Charge type description
  5. Charge description
  6. Charge amount for each individual line item
  7. Service name description
  8. Colt product and service name
  9. Circuit reference number
  10. Customer's A & B end addresses
  11. Customer Nominated Purchase Order Number at subscription level
  12. Nominated Customer Reference at subscription level

Please Note: Usage based voice and data services are displayed slightly differently to those that are non-usage based.

Invoice2019 - 3

Details (Page 2)

Invoice2019 - 4
  1. Service and destination description
  2. Number of calls for Service and destination
  3. Call duration for Service and destination
  4. Charge amount for Service and destination
  5. Usage summary name and description
  6. Colt product name
  7. Service period
  8. Usage classification is the lowest level of detail on the paper bill
  9. Colt product name
  10. Circuit reference number when applicable
  11. Customer Nominated Purchase Order Number at subscription level
  12. Total Data Service Charges carried to the Front and Summary pages

Details (Page 3)

Invoice2019 - 5
  1. Total Data Service Charges carried to the Front and Summary pages

Details (Page 4)

Invoice2019 - 6
  1. Total Data Service Charges carried to the Front and Summary pages