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HMRC letter codes · Tax credits (TC)

TC603RAnnual Review form and finalisation pack

Last reviewed 14 October 2026 · How Tax Letters checks its facts

GOV.UK says tax credits ended on 5 April 2025 and no more payments will be made.

GOV.UK: Tax credits: general enquiries · checked 14 October 2026

In short

HMRC's Tax Credits Manual says TC603R is an Annual Review form. It shows the calculation and the payments schedule of an award for the previous year.

“An Annual Review form showing the calculation and the payments schedule of an award for the previous year.”

HMRC Tax Credits Manual: TCM0316020, Extra information: forms · checked 14 October 2026

Information, not advice: this page reports what HMRC, GOV.UK and the bodies named publish about TC603R. Each fact has its source and the day it was checked beside it.

What it is

GOV.UK says the TC603R Notes help you finalise your tax credits claim and go with a finalisation pack that has an Annual Review form only. The TC603RD Notes go with a pack that has an Annual Review form and an Annual Declaration form.

“Use these notes to help finalise your tax credits claim … an Annual Review form and an Annual Declaration form … use TC603RD Notes … an Annual Review form only … use TC603R Notes”

GOV.UK: Tax credits: finalisation pack notes · checked 14 October 2026

When HMRC sends it

GOV.UK says the finalisation pack that TC603R belongs to is sent automatically if you need it, and cannot be downloaded or ordered online.

“Your finalisation pack will be sent to you automatically if you need it. You cannot download it or order it online.”

GOV.UK: Tax credits: finalisation pack notes · checked 14 October 2026

GOV.UK says you get a letter called your Annual Review when your tax credits award ends, saying how much you have been paid up to 5 April 2025; the TC603R notes cover the Annual Review form.

“You’ll get a letter called your Annual Review when your tax credits award ends. This will say how much you’ve been paid up to 5 April 2025.”

GOV.UK: Tax credits ended on 5 April 2025 · checked 14 October 2026

What it asks

GOV.UK says the information in the Annual Review letter, which the TC603R notes cover, is to be checked ('finalising' your tax credits), and that if it is correct you do not need to do anything.

“You’ll need to check that the information in the letter is correct (known as ‘finalising’ your tax credits). If it is, you do not need to do anything.”

GOV.UK: Tax credits ended on 5 April 2025 · checked 14 October 2026

Time limits and rules

GOV.UK says that if there is a mistake or your personal details are wrong, you contact HMRC by the deadline written in your Annual Review letter, the form the TC603R notes cover.

“If you think there’s a mistake or your personal details are wrong, contact HM Revenue and Customs (HMRC) to report it. You need to do this by the deadline written in your Annual Review letter.”

GOV.UK: Tax credits ended on 5 April 2025 · checked 14 October 2026

Free help and HMRC contacts

If you have a general question about your tax credits, such as one about a TC603R, GOV.UK says to call HMRC on 0300 322 9129. Lines are open Monday to Friday, 8am to 5pm, and GOV.UK links to “Find out about call charges”.

“if you have a general enquiry about your tax credits … Telephone: 0300 322 9129 … Opening times: Monday to Friday, 8am to 5pm. … Find out about call charges”

GOV.UK: Tax credits: general enquiries · checked 14 October 2026

Free help first

These routes are described by GOV.UK, TaxAid and Citizens Advice themselves.

  • HMRC's extra supportHMRC offers extra support if your health condition or personal circumstances make it difficult to contact HMRC, for example a mental health condition, financial hardship or being treated in hospital.
  • Someone to deal with HMRC for youYou can authorise a friend, relative or voluntary organisation to talk to HMRC for you and help you fill in forms.
  • TaxAidTaxAid helps people with tax problems who cannot pay for advice. Tax Help for Older People merged with TaxAid in July 2025.
  • Citizens AdviceCitizens Advice gives confidential advice online, over the phone and in person, for free.