From FIXwiki

FIX Message TradeCaptureReportAck (MsgType=AR)

MsgType	FIX Specification	First introduced	Deprecated
MsgType=AR	PostTrade messages - TradeCapture	FIX.4.4

The Trade Capture Report Ack message can be:

• Used to acknowledge trade capture reports received from a counterparty

• Used to reject a trade capture report received from a counterparty

Message Contents By FIX Version

Notes

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