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

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

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

# <ApplicationSequenceControl> component block

## FIX 5.0 SP2 EP299

### Description

 The ApplicationSequenceControl is used for application sequencing and recovery. Consisting of [ApplSeqNum <1181>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1181.html), [ApplID <1180>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1180.html), [ApplLastSeqNum <1350>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1350.html), and [ApplResendFlag <1352>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1352.html), FIX application messages that carries this component block will be able to use application level sequencing. [ApplID <1180>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1180.html), [ApplSeqNum <1181>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1181.html) and [ApplLastSeqNum <1350>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1350.html) fields identify the application id, application sequence number and the previous application sequence number (in case of intentional gaps) on each application message that carries this block.

 The [ApplResendFlag <1352>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1352.html) is used to indicate that messages are being retransmitted as a result of an [ApplicationMessageRequest <BW>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BW_6687.html).

 See Application Sequencing Message section for further details on usage and restrictions.

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| 1180 | [ApplID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1180.html) | N | Identifies the application with which a message is associated. Used only if application sequencing is in effect. |
| 1181 | [ApplSeqNum](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1181.html) | N | Application sequence number assigned to the message by the application generating the message. Used only if application sequencing is in effect. Conditionally required if ApplID has been specified. |
| 1350 | [ApplLastSeqNum](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1350.html) | N | The previous sequence number in the application sequence stream. Permits an application to publish messages with sequence gaps where it cannot be avoided. Used only if application sequencing is in effect. Conditionally required if ApplID has been specified |
| 1352 | [ApplResendFlag](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1352.html) | N | Used to indicate that a message is being sent in response to an [ApplicationMessageRequest <BW>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BW_6687.html). Used only if application sequencing is in effect. It is possible for both ApplResendFlag and PossDupFlag to be set on the same message if the Sender's cache size is greater than zero and the message is being resent due to a session level resend request. |

### Used In

- [IOI <6>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_6_6.html)
- [ExecutionReport <8>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_8_8.html)
- [DerivativeSecurityList <AA>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_AA_6565.html)
- [TradeCaptureReport <AE>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_AE_6569.html)
- [PositionReport <AP>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_AP_6580.html)
- [AssignmentReport <AW>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_AW_6587.html)
- [News <B>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_B_66.html)
- [TradingSessionList <BJ>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BJ_6674.html)
- [SecurityListUpdateReport <BK>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BK_6675.html)
- [ContraryIntentionReport <BO>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BO_6679.html)
- [SecurityDefinitionUpdateReport <BP>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BP_6680.html)
- [SettlementObligationReport <BQ>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BQ_6681.html)
- [DerivativeSecurityListUpdateReport <BR>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BR_6682.html)
- [TradingSessionListUpdateReport <BS>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BS_6683.html)
- [MarketDefinition <BU>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BU_6685.html)
- [MarketDefinitionUpdateReport <BV>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BV_6686.html)
- [PartyDetailsListReport <CG>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CG_6771.html)
- [MarginRequirementReport <CJ>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CJ_6774.html)
- [PartyDetailsListUpdateReport <CK>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CK_6775.html)
- [PartyRiskLimitsReport <CM>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CM_6777.html)
- [SecurityMassStatus <CO>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CO_6779.html)
- [AccountSummaryReport <CQ>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CQ_6781.html)
- [PartyRiskLimitsUpdateReport <CR>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CR_6782.html)
- [PartyEntitlementsReport <CV>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CV_6786.html)
- [PartyEntitlementsUpdateReport <CZ>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_CZ_6790.html)
- [TradeMatchReport <DC>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_DC_6867.html)
- [TradeMatchReportAck <DD>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_DD_6868.html)
- [MassOrderAck <DK>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_DK_6875.html)
- [MarketDataStatisticsReport <DP>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_DP_6880.html)
- [MarketDataReport <DR>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_DR_6882.html)
- [MarketDataSnapshotFullRefresh <W>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_W_87.html)
- [MarketDataIncrementalRefresh <X>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_X_88.html)
- [SecurityDefinition <d>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_d_100.html)
- [SecurityStatus <f>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_f_102.html)
- [TradingSessionStatus <h>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_h_104.html)
- [SecurityTypes <w>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_w_119.html)
- [SecurityList <y>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_y_121.html)

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