Message Sender Identifier
| Element Number | N.2.R.2 |
| Element Name | Message Sender Identifier |
| English Name | Message Sender Identifier (Message Sender Identifier) |
| Data Type | Alphanumeric |
| Max Length | 60 |
| Required | No |
| Allowed Values | Free text |
No null flavors allowed
This data element identifies the sender of the ICSR submission (the creator of the ICH ICSR message).