BR-DE-3: XRechnung requires the seller's city (BT-37), which plain EN16931 leaves…
What it means
XRechnung requires the seller's city (BT-37), which plain EN16931 leaves optional.
How to fix it
Populate BT-37 with the seller's city.
XRechnung requires the seller's city (BT-37), which plain EN16931 leaves optional.
Populate BT-37 with the seller's city.