Form

Apply to pay voluntary Class 3 National Insurance contributions

Use form CA5603 to find out when you should make voluntary Class 3 National Insurance contribution payments, how to apply to make a payment and how to pay.

From:
HM Revenue & Customs
Published
4 April 2014
Last updated
26 September 2018 — See all updates

Documents

Apply to pay voluntary Class 3 National Insurance contributions

Ref: CA5603

PDF, 366 KB, 4 pages

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Details

Paying voluntary contributions can close gaps in your National Insurance record, however there are time limits on when you can make payments.

This form explains:

  • how paying could help you
  • when you should not make payments
  • who can make payments
  • time limits
  • how to pay
  • how to apply for a refund

It will also help you find out:

  • how many qualifying years you have for your State Pension
  • if paying will increase the amount you’ll get

Updates to this page

Published 4 April 2014
Last updated 26 September 2018 + show all updates

  1. The option to pay by quarterly bill has been added to the form.

  2. English and Welsh versions of the form have been updated with new contact details for the Future Pension Centre, information about voluntary contributions and revised payment methods.

  3. Rates, allowances and duties have been updated for the tax year 2017 to 2018.

  4. Rates, allowances and duties have been updated for the tax year 2016 to 2017.

  5. Amendments to PDF to ensure factual accuracy and to reflect legislative change.

  6. Rates, allowances and duties have been updated for the tax year 2015 to 2016.

  7. Added translation

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