---
title: "FIX 5.0 SP2 EP299: CollateralAssignment <AY> message – FIX Dictionary – Onix Solutions"
description: "<meta name=\"description\" content=\"CollateralAssignment&lt;AY&gt; message &ndash; FIX 5.0 SP2 EP299, FIX protocol version FIX 5.0 SP2 EP299\" /> <meta name=\"keywords\" content=\"message, CollateralAssignment, MsgType=AY, FIX 5.0 SP2 EP299, FIX Protocol, FIX dictionary\" />"
---

<https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgtype_ay_6589.html#>

![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg)

# CollateralAssignment <AY> message

## FIX 5.0 SP2 EP299

### Description

 Used to assign collateral to cover a trading position. This message can be sent unsolicited or in reply to a Collateral Request message.

 The Collateral Assignment message can be used to perform the following:

- Assign initial collateral
- Replace collateral

 Collateral Assignment

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| [Component Block - <StandardHeader>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardHeader.html) | Y | [MsgType <35>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_35.html) = AY |  |
| 902 | [CollAsgnID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_902.html) | Y | Unique Identifier for collateral assignment |
| 894 | [CollReqID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_894.html) | N | Identifier of CollReqID to which the Collateral Assignment is in response |
| 895 | [CollAsgnReason](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_895.html) | Y | Reason for collateral assignment |
| 903 | [CollAsgnTransType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_903.html) | Y | Collateral Transaction Type |
| 907 | [CollAsgnRefID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_907.html) | N | Collateral assignment to which this transaction refers |
| 60 | [TransactTime](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_60.html) | Y |  |
| 126 | [ExpireTime](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_126.html) | N | For an Initial assignment, time by which a response is expected |
| [Component Block - <Parties>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_Parties.html) | N |  |  |
| 1 | [Account](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1.html) | N | Customer Account |
| 581 | [AccountType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_581.html) | N | Type of account associated with the order (Origin) |
| 11 | [ClOrdID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_11.html) | N | Identifier of order for which collateral is required |
| 37 | [OrderID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_37.html) | N | Identifier of order for which collateral is required |
| 198 | [SecondaryOrderID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_198.html) | N | Identifier of order for which collateral is required |
| 526 | [SecondaryClOrdID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_526.html) | N | Identifier of order for which collateral is required |
| [Component Block - <ExecCollGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_ExecCollGrp.html) | N | Executions for which collateral is required |  |
| [Component Block - <TrdCollGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_TrdCollGrp.html) | N | Trades for which collateral is required |  |
| [Component Block - <Instrument>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_Instrument.html) | N | Insert here the set of "Instrument" fields defined in "Common Components of Application Messages" |  |
| [Component Block - <FinancingDetails>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_FinancingDetails.html) | N | Insert here the set of "FinancingDetails" fields defined in "Common Components of Application Messages" |  |
| 64 | [SettlDate](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_64.html) | N | Can be used to provide the value date of the collateral transaction where the deposit or withdrawal is for a specific future date. |
| 53 | [Quantity](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_53.html) | N |  |
| 854 | [QtyType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_854.html) | N |  |
| 15 | [Currency](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_15.html) | N |  |
| 2897 | [CurrencyCodeSource](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2897.html) | N |  |
| [Component Block - <InstrmtLegGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_InstrmtLegGrp.html) | N | Number of legs that make up the Security |  |
| [Component Block - <UndInstrmtCollGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_UndInstrmtCollGrp.html) | N | Number of legs that make up the Security |  |
| 899 | [MarginExcess](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_899.html) | N |  |
| 900 | [TotalNetValue](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_900.html) | N |  |
| 901 | [CashOutstanding](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_901.html) | N |  |
| [Component Block - <TrdRegTimestamps>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_TrdRegTimestamps.html) | N | Insert here the set of "TrdRegTimestamps" fields defined in "Common Components of Application Messages" |  |
| 54 | [Side](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_54.html) | N |  |
| [Component Block - <MiscFeesGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_MiscFeesGrp.html) | N | Required if any miscellaneous fees are reported. |  |
| 44 | [Price](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_44.html) | N |  |
| 423 | [PriceType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_423.html) | N |  |
| 159 | [AccruedInterestAmt](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_159.html) | N |  |
| 920 | [EndAccruedInterestAmt](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_920.html) | N |  |
| 921 | [StartCash](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_921.html) | N |  |
| 922 | [EndCash](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_922.html) | N |  |
| [Component Block - <SpreadOrBenchmarkCurveData>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_SpreadOrBenchmarkCurveData.html) | N | Insert here the set of "SpreadOrBenchmarkCurveData" fields defined in "Common Components of Application Messages" |  |
| [Component Block - <Stipulations>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_Stipulations.html) | N | Insert here the set of "Stipulations" fields defined in "Common Components of Application Messages" |  |
| [Component Block - <SettlInstructionsData>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_SettlInstructionsData.html) | N | Insert here the set of "SettlInstructionsData" fields defined in "Common Components of Application Messages" |  |
| 336 | [TradingSessionID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_336.html) | N | Trading Session in which trade occurred |
| 625 | [TradingSessionSubID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_625.html) | N | Trading Session Subid in which trade occurred |
| 716 | [SettlSessID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_716.html) | N |  |
| 717 | [SettlSessSubID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_717.html) | N |  |
| 2486 | [WireReference](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2486.html) | N |  |
| 75 | [TradeDate](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_75.html) | N |  |
| 2485 | [TransactionID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2485.html) | N | The unique transaction entity identifier assigned by counterparty to the transaction receiving this message, if known. |
| 2484 | [FirmTransactionID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2484.html) | N | The unique transaction entity identifier assigned by the firm sending the [CollateralAssignment <AY>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_AY_6589.html). |
| 715 | [ClearingBusinessDate](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_715.html) | N | The clearing business date of the collateral assignment. |
| 2517 | [CollateralRequestLinkID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2517.html) | N |  |
| 2519 | [TotNumCollateralRequests](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2519.html) | N |  |
| 2518 | [CollateralRequestNumber](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2518.html) | N |  |
| 2516 | [CollateralRequestInstruction](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2516.html) | N | Values are custom to a particular implementation and will be maintained externally. |
| 58 | [Text](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_58.html) | N |  |
| 354 | [EncodedTextLen](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_354.html) | N | Must be set if EncodedText field is specified and must immediately precede it. |
| 355 | [EncodedText](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_355.html) | N | Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. |
| [Component Block - <StandardTrailer>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardTrailer.html) | Y |  |  |

- Follow   
  OnixS
- [Follow us on Twitter ](https://twitter.com/onixsbiz)
- [Connect with us on LinkedIn ](https://www.linkedin.com/company/onix-solutions/)

 We track how people interact with our online web content and resources, and some of that tracking involves storing cookies on your device. By continuing to use our site you accept that you agree to this. For more details see our [Cookie usage, and Data Privacy and Protection Policies](https://www.onixs.biz/cookies-and-privacy.html).

[Ok](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgtype_ay_6589.html#)

[OnixS ](https://www.onixs.biz/)

Menu

---

---

[OnixS ](https://www.onixs.biz/)

### Search the site

Search