HM Revenue & Customs

Request a copy of your User ID for Self Assessment individuals

*indicates required information

Don't use this form if:

  • you have never registered for a Self Assessment online account
  • you still have either your User ID or password
  • your personal details have changed - tell HMRC once these have been corrected wait 72 hours before submitting this form

Please note: All fields must be correct and complete before a User ID will be sent

This can take 10 days to arrive by post, 21 if you live abroad.

By completing the email field below, you are agreeing that HM Revenue and Customs (HMRC) may use it to confirm that your form has been received. It will not be used to send personal information.

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Your details

 Help for Title:
 Help for National Insurance number:
 Help for Unique Taxpayer Reference:

Please enter your postcode below. If you live outside the UK enter your country of residence.

In which year did you last access your Self Assessment online account? Enter the year in the box below.

If you do not have an online account you must register online at

 Help for Year last accessed Self Assessment online account:


After you click the ‘Next’ button you will see a preview page summarising the information you have provided. If this page is not displayed, please use the scroll bar to locate any missing or incorrect entries highlighted in red.