The order cancel reject message is issued by the broker upon receipt of a cancel request or cancel/replace request message which cannot be honored.
Added 
									    FIX.2.7
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| Field or Component | Field Name | FIXML name | Req'd | Comments | Depr. | 
|---|
|  | Component | StandardHeader |  | MsgType = 9 | 
|  | 37 | OrderID | @OrdID |  | If CxlRejReason="Unknown order", specify "NONE". | |
|  | 198 | SecondaryOrderID | @OrdID2 | Can be used to provide order id used by exchange or executing system. | ||
|  | 526 | SecondaryClOrdID | @ID2 | |||
|  | 11 | ClOrdID | @ID |  | Unique order id assigned by institution or by the intermediary with closest association with the investor. to the cancel request or to the replacement order. | |
|  | 583 | ClOrdLinkID | @LnkID | |||
|  | 41 | OrigClOrdID | @OrigID |  | ClOrdID which could not be canceled/replaced. ClOrdID of the previous accepted order (NOT the initial order of the day) when canceling or replacing an order. | |
|  | 39 | OrdStatus | @Stat |  | OrdStatus value after this cancel reject is applied. If CxlRejReason = "Unknown Order", specify Rejected. | |
|  | 636 | WorkingIndicator | @WorkingInd | For optional use with OrdStatus = 0 (New) | ||
|  | 586 | OrigOrdModTime | @OrigOrdModTm | |||
|  | 66 | ListID | @ListID | Required for rejects against orders which were submitted as part of a list. | ||
|  | 1 | Account | @Acct | |||
|  | 660 | AcctIDSource | @AcctIDSrc | |||
|  | 581 | AccountType | @AcctTyp | |||
|  | 229 | TradeOriginationDate | @OrignDt | |||
|  | 75 | TradeDate | @TrdDt | |||
|  | 60 | TransactTime | @TxnTm | |||
|  | 434 | CxlRejResponseTo | @CxlRejRspTo |  | ||
|  | 102 | CxlRejReason | @CxlRejRsn | |||
|  | 58 | Text | @Txt | |||
|  | 354 | EncodedTextLen | @EncTxtLen | Must be set if EncodedText field is specified and must immediately precede it. | ||
|  | 355 | EncodedText | @EncTxt | Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. | 
|  | Component | StandardTrailer |  | 
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