Missing tax ID for vendor "Northstar Supplies"
3 invoices ($6,140 total) cannot be filed without a valid vendor tax ID on record.
Rate mismatch on Germany VAT return
2 line items were taxed at 19% but should use the reduced 7% rate for digital services.
Duplicate input tax credit claim detected
Invoice INV-3280 appears to be claimed in both Q1 and Q2 GST filings.