> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kraken.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Reject - Business Level

> Business level message rejection via FIX

<div className="api-banner">
  <span className="api-protocol fix">FIX</span>
  <span className="api-detail">session: admin</span>
  <span className="api-tag">35=j</span>
</div>

If Kraken needs to reject a message before it reaches the Trading engine and gets an OrderID, the order or cancellation will be rejected using a Business level reject.

***

<ResponseField name="header" type="" required>35=`j`</ResponseField>

<ResponseField name="45 - RefSeqNum" type="integer" required>
  Sequence number of the rejected message.
</ResponseField>

<ResponseField name="372 - RefMsgType" type="char" required>
  The MsgType `35` of the FIX message being referenced.
</ResponseField>

<ResponseField name="379 - BusinessRejectRefID" type="string" required>
  The value of the ClOrdID field on the message being rejected.
</ResponseField>

<ResponseField name="380 - BusinessRejectReason" type="integer" required>
  Code to identify reason for a Business Message Reject message.

  **Possible values:**

  * `0` : Others
  * `1` : Unknown ID
  * `2` : Unknown Instrument
  * `3` : Unsupported Message Type
  * `4` : Application not available
  * `5` : Conditionally Required Field Missing
  * `6` : Not Authorized
  * `101` : Unknown order
  * `104` : Order too old
</ResponseField>

<ResponseField name="58 - Text" type="string">
  Full description for rejection.
</ResponseField>

<ResponseField name="trailer" type="" required />

<CodeGroup>
  ```text Insufficient Funds (BusinessRejectReason=0) theme={null}
  8=FIX.4.4|9=127|35=j|34=16|49=KRAKEN-TRD|56=CLIENT|52=20260407-14:32:05.122|45=0|58=EOrder:Insufficient funds|372=D|379=1744036325000000|380=0|10=080|
  ```

  ```text Order Minimum Not Met (BusinessRejectReason=0) theme={null}
  8=FIX.4.4|9=130|35=j|34=18|49=KRAKEN-TRD|56=CLIENT|52=20260407-14:32:05.000|45=0|58=EOrder:Order minimum not met|372=D|379=1744036334000000|380=0|10=015|
  ```

  ```text Unknown Order on Cancel (BusinessRejectReason=101) theme={null}
  8=FIX.4.4|9=124|35=j|34=17|49=KRAKEN-TRD|56=CLIENT|52=20260407-14:32:06.000|45=0|58=EOrder:Unknown order|372=F|379=1744036325999000|380=101|10=206|
  ```

  ```text Futures IOC — Would Enter Book (BusinessRejectReason=0) theme={null}
  8=FIX.4.4|9=150|35=j|34=10|49=KRAKEN-DRV-TRD|56=CLIENT-DRV|52=20260407-14:32:05.122|45=0|58=IOC_WOULD_ENTER_BOOK|372=D|379=a17d4971-f00d-4f67-94d1-e7d604104ed2|380=0|10=242|
  ```
</CodeGroup>