Every message sent to and from the TT FIX must end with a message trailer.
The message trailer contains the following tags.
| Tag # | Field Name | Req’d | Data type | Comments |
|---|---|---|---|---|
| 10 | Checksum | Y | String |
Unencrypted three-character checksum This tag must always be the last field in a message (i.e. it serves, with the trailing <SOH>, as the end-of-message delimiter). |