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Working Tax Credit - How do I claim Working Tax Credit?

Working Tax Credit is money provided to boost the income of working people who are on a low income.

How do I claim Working Tax Credit?

If you are making a new claim for Tax Credits, get a claim form by phoning HM Revenue and Customs (HMRC) Tax Credits Helpline or order a form online.

If you are already claiming Tax Credits and you need to change your claim, call HMRC on the Tax Credits Helpline or manage your Tax Credits online using the "Manage your Tax Credits online" section of the website

You have to renew your claim by 31 July every year. If you do not renew it, your Working Tax Credit may stop. See the website for more information on renewing tax credits (link opens in a new window)

What documents will I need to claim Working Tax Credit?

You will need:

  • your national insurance number
  • proof of who you are, for example a birth certificate or driving licence.
  • proof of your annual income, for example bank statements or pay slips
  • your partner's details if they live with you.(including income details)

When will my Working Tax Credit claim begin?

Your Working Tax Credit claim usually starts on the day that your completed form is received by HMRC. It is important to get your claim made quickly so you don't lose out. 

You may be able to get Working Tax Credit backdated for up to 31 days. You have to request a backdate in writing. You can put a letter in with your claim form.

Change of circumstances

Working Tax Credit is paid on a year by year basis but it is very important to tell HM Revenue and Customs about changes during the year which could affect the money you get. You must tell them about some changes within one month.

See the website for more information about changes that affect tax credits (link opens in a new window)

HM Revenue and Customs have also launched a new digital service for tax credits customers that allows people to check their next tax credits payment details online. The service can be accessed at

HMRC will be updating the service over the coming months to allow customers to report changes in their circumstances online instead of having to phone in. Release date to be announced.

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