Segment IRQ: INFORMATION REQUIRED
| Tag | IRQ | 
| Name | INFORMATION REQUIRED | 
| Func | To indicate which information is requested in a responding message. | 
Elemente
| Element/Gruppe | No/Code | Beschreibung | Opt/Mand. | 
|---|---|---|---|
| Gruppe | C333 | To specify the information requested in a responding message. | Mandatory |