Order ID assigned by client if order(s) were electronically delivered and executed. If order(s) were manually delivered this
field should contain string 'MANUAL'.Note where an order has undergone one or more cancel/replaces, this should be the ClOrdID <11> of the most recent version of the order
Required when NoOrders <73> > 0 and must be the first repeating field in the group.
Quantity <53> of this order that is being booked out by this message (will be equal to or less than this order's OrderQty <38>)
Note that the sum of the OrderBookingQty <800> values in this repeating group must equal the total quantity being allocated (in Quantity <53> (53) field)