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HMRC internal manual

Tax Credits Manual

HM Revenue & Customs
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How to obtain a Child Benefit number and personal details held on Child Benefit On Line (CBOL)

Version 1.0

Changes to previous version - new guidance.

Step 1

Note: You must have access to the Child Benefit computer systems CBIX and CBOL. To find out how to do this

  • access the ‘Benefits & Credits’ homepage
  • select ‘R’ on the ‘A-Z index’
  • select ‘Roles and Access Process’. Full instructions on how to request access to the Child Benefit computer systems are shown as ‘CBOL Access’ on the ‘How Do I’ list.

Access CBOL from your computer desktop. To do this

  • select ‘Start’
  • select ‘All programs’
  • select ‘TCO Services’ from the options available
  • select your designated TCO MFS icon

Note: Your manager will be able to provide you with your designated TCO MFS icon.

  • select ‘1 CBOL Service’ from the options available
  • enter your password in the ‘Please Sign On’ field
  • select ‘Enter’. You will be taken to the ‘Dialogue Menu’ screen
  • go to .

Step 2

To access the customer’s CBOL record, on the ‘Dialogue Menu’ screen

  • enter ‘CBO006’ in the ‘Next Dialogue’ field
  • select ‘Enter’
  • enter the customers NINO in the ‘NINO’ field
  • enter ‘Y’ in the ‘Fastpath To CBOL’ field
  • select ‘Enter’
  • the customers Child Benefit number will be shown in the ‘Next Item’ field, if there is one
  • enter ‘CBO004’ in the ‘Next Dialogue’ field
  • select the ‘Control’ and ‘*’ keys together on your keyboard. You will be taken to CBOL screen 2 where personal details are shown.