An event B04 signals that a staff member is available for work (e.g., schedules can be created) and has a relationship with the institution. This message applies to STF-7.
| MSH-15 | MSH-16 | Immediate ACK | Application Ack |
|---|---|---|---|
| Blank | Blank | - | ACK^B06^ACK |
| Blank | Blank | - | ACK^B05^ACK |
| Blank | Blank | - | ACK^B04^ACK |
| NE | NE | - | - |
| NE | NE | - | - |
| NE | NE | - | - |
| NE | AL, SU, ER | - | ACK^B06^ACK |
| NE | AL, SU, ER | - | ACK^B05^ACK |
| NE | AL, SU, ER | - | ACK^B04^ACK |
| AL, SU, ER | AL, SU, ER | ACK^B06^ACK | ACK^B06^ACK |
| AL, SU, ER | AL, SU, ER | ACK^B05^ACK | ACK^B05^ACK |
| AL, SU, ER | AL, SU, ER | ACK^B04^ACK | ACK^B04^ACK |
There is not supposed to be an Application Level acknowledgement to an Application Level Acknowledgement message. In Enhanced Mode, MSH-16 in the Application Acknowledgement message SHALL always be set to NE (Never).