TotNoOrders(formerly named: ListNoOrds) <68> field – FIX 4.2 – FIX Dictionary
Total number of list order entries across all messages. Should be the sum of all NoOrders <73> in each message that has repeating list order entries related to the same ListID <66>. Used to support fragmentation.
(Prior to FIX 4.2 this field was named "ListNoOrds")