This field defines the signature level corresponding to the line notification. It can take the following values defined in the local menu 2922:
- To be read : a read notification is requested, but the notification has not yet been read.
- To be signed: a signature is requested, but the notification has not been signed yet.
- Read : a read notification has been requested, it has been entered.
- Signed: a signature has been requested and it has been granted.
- Cancelled: a signature has been granted, then it was the subject of a signature cancellation.