This snapshot, taken on 26/11/2010, shows web content selected for preservation by The National Archives. External links, forms and search boxes may not work in archived websites.

Gov Talk

Cabinet Office website
|

Main navigation

Bookmark and Share
MetadataValue
Data Element

National Insurance Number

Is Part Of
Has Parts  
Version 2.1
Status Release
Previous Versions  
Later Versions  
Date Agreed 1 September 2002
Name

National Insurance Number

Description A reference number that is issued to a person by the DWP/IR for participants in the National Insurance Scheme.
Business Format 9 Characters
Element Type Data Item
XML Schema
View whole schema document Citizen Identification Types as XML
View definition NationalInsuranceNumberType as HTML
Validations
1. Must be 9 characters.
2. First 2 characters must be alpha.
3. Next 6 characters must be numeric.
4. Final character can be A, B, C, D or space.
5. First character must not be D,F,I,Q,U or V
6. Second characters must not be D, F, I, O, Q, U or V.
7. First 2 characters must not be combinations of GB, NK, TN or ZZ (the term combinations covers both GB and BG etc.)
Value  
DefaultValue  
Owner Department for Work and Pensions and Inland Revenue
Based On Department for Work and Pensions and Inland Revenue
Verification  
Comment
  • Schema fragement does include validation number 7