The Reject <3> message is issued by the server when a message is received but cannot be properly processed due to session-level rule. The reason for the rejection may be given in the Text <58> field.
| Tag | Field Name | Required | Comments |
|---|---|---|---|
| Standard Header | Yes | MsgType <35> = 3 | |
| 45 | RefSeqNum | Yes | MsgSeqNum <34> of the rejected message |
| 371 | RefTagID | No | The tag number of the FIX field being referenced |
| 372 | RefMsgType | No | The MsgType <35> of the FIX message being referenced |
| 373 | SessionRejectReason | No | Code to identify the reason for the session level Reject message |
| 58 | Text | No | Message to explain reason for rejection |
| Standard trailer | Yes |