13 active anomaly rules · scoring continuously
Each rule contributes a weighted score; total clamped to 0–100
Invoice amount significantly higher than the historical seller-buyer average.
Same invoice number appears more than once in the dataset.
Multiple invoices share identical amount, buyer and date.
Same PO number used across invoices issued to different buyers.
Gap between consecutive invoice numbers from the same series is unusually large.
Invoice total is an exact round amount (€100k / €500k / €1M).
Invoice issue date is far earlier than upload / assignment.
Invoice issued within 1 day of being assigned for financing.
Several invoices priced just below an approval threshold (e.g. €50k).
Buyer receiving an unusually high number of invoices in a short window.
First invoice to a buyer with unusually large amount.
Due date does not match stated payment terms.
Invoice dated on a Spanish weekend or public holiday.