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HMRC internal manual

National Insurance Manual

National Insurance Numbers (NINOs): Confirming a NINO: Employee does not have a NINO

If a new employee has never had a NINO, the employer should:

  • keep a record of their full name (surname and first name(s)), address, date of birth and gender, and
  • tell them to contact DWP on 0345 600 0643

For further details of the adult registration process, see

For details of special cases see NIM39600.