Form

National Insurance: application to pay voluntary National Insurance contributions (CA5603)

Use this form to pay voluntary Class 3 National Insurance contributions.

Documents

Application to pay voluntary National Insurance contributions (CA5603)

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Details

Use this form to arrange to pay voluntary Class 3 National Insurance contributions.

It also contains information to help you decide whether to pay voluntary class 3 contributions.

Published 4 April 2014
Last updated 14 June 2018 + show all updates
  1. 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.
  2. Rates, allowances and duties have been updated for the tax year 2017 to 2018.
  3. Rates, allowances and duties have been updated for the tax year 2016 to 2017.
  4. Amendments to PDF to ensure factual accuracy and to reflect legislative change.
  5. Rates, allowances and duties have been updated for the tax year 2015 to 2016.
  6. Added translation