PossResend <97> field – FIXT 1.1 – FIX Dictionary
The PossResend is set to Y when reissuing a message with a new sequence number (i.e. when resending an order).
The receiving application should process message with PossResend = "Y" as follows:
forward message to application and determine if previously received (i.e. verify order id and parameters).
N = Original Transmission
Y = Possible Resend