I highlighted it here:
For commercial customers from the EU (but outside of Germany) it is important that you include your sales tax identification number (UstId) in the delivery address. Then the invoice will be reduced to 0% VAT.
I highlighted it here:
For commercial customers from the EU (but outside of Germany) it is important that you include your sales tax identification number (UstId) in the delivery address. Then the invoice will be reduced to 0% VAT.