NI Number
- CSV field name
- NI Number
- Column number in CSV file
- 7
- API field name
- ni_number
- HESA alignment
- NIN
- Description
-  This field describes the trainee’s National Insurance number. 
- Format
-  9 character length A National Insurance number must be made up of 2 letters, 6 numbers and a final letter, which is always A, B, C, or D. 
- Example
-  BX586745C
- Validation
-  Optional