List 31: Audience range precision
| Value | Description | Notes |
|---|---|---|
| 01 | Exact | May only be used in Audience range precision (1), and when no Audience range precision (2) is present |
| 03 | From | May only be used in Audience range precision (1) |
| 04 | To | May be used in Audience range precision (1) when no Audience range precision (2) is present, or in Audience range precision (2) when Audience range precision (1) is code 03 |