Unique value, such as 01, that must not exceed the maximum length of the corresponding field in an integrated system, such as a student management system.

After saving, the value cannot be edited.

Description that is used to select the national identity, such as British.

If selected, the entity or field can have the value. If cleared after the value has been selected for the entity or field, the entity or field keeps the value. However, the value is no longer available for selection.

Code that defines the national identity for reporting purposes, such as B.