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HMRC internal manual

National Insurance Manual

• From: HM Revenue & Customs
• Published: 11 April 2016
• Updated: 20 December 2018, see all updates

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1. Contents
2. NIM39000
3. NIM39100

National Insurance Numbers (NINos): Format and Security: Contents

1. NIM39105

   National Insurance Numbers (NINos): Format and Security: What is a NINO?
2. NIM39110

   National Insurance Numbers (NINOs): Format and Security: What a NINO looks like
3. NIM39115

   National Insurance Numbers (NINOs): Format and Security: NINO prefixes
4. NIM39120

   National Insurance Numbers (NINOs): Format and Security: Use of NINO by outside bodies
5. NIM39125

   National Insurance Numbers (NINOs): Format and Security: Who needs a NINO?
6. NIM39130

   National Insurance Numbers (NINOs): Format and Security: Not entitled to a NINO?
7. NIM39135

   National Insurance Numbers (NINOs): Format and Security: Why security of the NINO is important
8. NIM39140

   National Insurance Numbers (NINOs): Format and Security: What to do if you suspect or discover fraud

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