Type: Boolean
Used to indicate that a message is being sent in response to an Application Message Request. 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
Added in protocol FIX.5.0 (63)
See in: FIX.5.0SP1, FIX.5.0SP2 EP240.