With all the other DMC templates, the technical field name used can be found in the relevant table (even if you have to hunt a bit for the table).  They are all there.  However, for this one pack, they are very different.  For example, for the Receip...

Hello,We have loaded some materials using internal numbers in the Cockpit, which is fine.  However, we'd like to get a definitive mapping of the dummy numbers used in the load file (1,2,3, etc) to the ones appearing in MARA (70012345, 70012346, etc.)...