Type: String
Unique identifier for Bid Response as assigned by sell-side (broker, exchange, ECN). Uniqueness must be guaranteed within a single trading day.
Added in protocol FIX.4.2
See in: FIX.4.2, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2 EP240.