TagField NameData TypeUnion DatatypeDescriptionAddedDepr.Enums from tag

Unique identifier for Order as assigned by institution (identified by SenderCompID or OnBehalfOfCompID as appropriate). Uniqueness must be guaranteed within a single trading day. Firms, particularly those which electronically submit multi-day orders, trade globally or throughout market close periods,should ensure uniqueness across days, for example by embedding a date within the ClOrdID field.

Added  FIX.2.7

Used in messages:
[Allocation] [Email] [ExecutionReport] [ListStatus] [ListStrikePrice] [OrderCancelReject] [OrderCancelReplaceRequest] [OrderCancelRequest] [OrderList] [OrderSingle] [OrderStatusRequest]