Sequential line number for a lading item.

Code identifying hazardous classification placard notation, and proper endorsements as required by the Federal Highway Railway Adminstration See Figures Appendix for the possible values to be used for data element 758.

Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.

Code qualifying the Reference Number.

Code to identify presence of hazardous substance.

Code to indicate hazardous material that is packaged in limited quantities and is excluded from placarding requirements.