Identifies the specific instance of a field when there is more than one occurrence of that field.
NOTE 1: An entry in this field MUST match the specific instance of the pre-printed index numbering on the related form.
USAGE: This field is optional.
DATA CHARACTERISTICS: 3 numeric characters
EXAMPLE: |
2 |
4 |
|
NOTE 1: This example illustrates a numeric value but is left justified since it is treated as text.