About Empties-BOM and delivery

Hi experts,

is it possible to use an Empties-BOM (usage 7) into Handling-Units ?

For a unique material A1, I have to add a cover into my standard packaging.

So the problem is that I don't know how to add this cover into my delivery.

I tried to create an Emptie-Bom for my packaging with a position for the cover, and then create a HU, but it doesn't work...

Any idea ?

Regards,

David