Collection

National Insurance forms

Use these forms to contact HMRC about National Insurance.

• From: HM Revenue & Customs
• Published: 30 November 2014

Pay National Insurance contributions

• Apply to pay voluntary Class 3 National Insurance contributions
  • 26 September 2018
  • Form
• Apply to pay self-employed National Insurance by Direct Debit
  • 16 July 2019
  • Form

Defer National Insurance contributions

• Defer payment of Class 1 National Insurance contributions (CA72A)
  • 11 December 2023
  • Form

Pay reduced rate National Insurance — married women and widows

• Reduced rate National Insurance contributions for married women
  • 31 March 2016
  • Form
• Widows reduced rate National Insurance
  • 1 April 2016
  • Form

Apply for a refund of National Insurance contributions

• Apply for a refund of Class 2 National Insurance contributions (CA8480)
  • 21 May 2024
  • Form
• Apply for refund of Class 4 National Insurance contributions (CA5610)
  • 30 November 2015
  • Form

Apply for National Insurance credits

• Apply for National Insurance credits if you’re a parent or carer
  • 13 December 2022
  • Form
• Apply for National Insurance credits for an accompanied assignment (MODCA1)
  • 4 April 2014
  • Form
• Apply for Class 3 National Insurance service spouse credits
  • 1 September 2016
  • Form

Appeal against a National Insurance credits decision

• Appeal a National Insurance credits decision (CA82)
  • 8 April 2015
  • Form

Request employment history — compensation claims

• Request your employment history from National Insurance records
  • 28 February 2024
  • Form

National Insurance forms if you work or live abroad

Leaflet NI38 includes form CF83 (from page 41) to apply to pay National Insurance abroad.

• Social Security abroad: NI38
  • 27 March 2024
  • Guidance
• Apply for a certificate to confirm you pay UK National Insurance when working in 2 or more countries (CA8421)
  • 1 December 2023
  • Guidance
• Apply for a refund of UK National Insurance contributions paid while working abroad (CA307)
  • 16 May 2016
  • Form
• Apply for a certificate confirming you will pay UK National Insurance when working temporarily abroad (CA3822)
  • 9 May 2024
  • Guidance
• Apply for a certificate to confirm you will pay UK National Insurance while self-employed abroad temporarily (CA3837)
  • 11 November 2024
  • Guidance

National Insurance forms for employers

• Tell HMRC if you're sending employees to work abroad (CA3821)
  • 1 December 2023
  • Form
• Apply for a certificate confirming you will pay UK National Insurance when working temporarily abroad (CA3822)
  • 9 May 2024
  • Guidance

Published 30 November 2014