Product Classification (2.9)
Unique Product Identifier (2.8)
ISIN (2.7)
Package Identifier (2.6)
PTRR ID (2.5)
Subsequent Position UTI (2.4)
Prior UTI (2.3)
Report Tracking Number (2.2)
Unique Transaction Identifier (2.1/3.10)
Direction of Leg 2 (1.19)