Qualifier values of 7075 in D97B
Packaging level, coded (an1..3)
Indication of level of packaging specified.
Level of packing, if it exists, that is immediately subordinate to the intermediate packaging level.
Level of packaging, if it exists, that is immediately subordinate to the outer packaging level.
For packed merchandise, outermost level of packaging for a shipment.
No packaging hierarchy
There is no specifiable level of packaging: packaging is inner and outer level as well.