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HMRC internal manual

COTAX Manual

Background: features of COTAX: changing office details on COTAX output

When COTAX issues output, it includes the name, address and telephone number of the office responsible for the case. This output also lists the officer in charge.

The same details are also used by IDMS, EBS, NTC, TCW and SAFE. You must therefore get the agreement of the other IT systems before you consider amendments to office details.

You must also have the authority of your senior responsible manager before requesting any changes.

If you need to change or amend the COTAX MUID office output details please document this request (with approval and reason for change) and send it via email to the (This content has been withheld because of exemptions in the Freedom of Information Act 2000)

The CT process team, as COTAX owners, will consider the request and initiate the required change as appropriate and notify you once completed.