KSEF-BUS-107 BEST PRACTICE Warning KSeF Guard Only
Negative value in summary fields
Ujemna wartość w polach podsumowania
Problem
Detected negative value in a summary field on a non-correction invoice. Negative summary amounts indicate a data error.
How to Fix
Check the invoice summary — original invoices (VAT, UPR) cannot contain negative values. Negative amounts are allowed only on correction invoices (KOR).
Source Reference
VAT Act, Art. 106e sec. 1 points 13-15
Page 124
Source Quote
“Summary fields (P_13, P_14, P_15) cannot be negative on an original invoice.”
Description
SHA-256: 85e07d41b162…
Justification
ARITHMETICLegal Basis Chain
1
Total amount due
Kwota należności ogółem
“15) the total amount due;”
VAT Act, Art. 106e sec. 1 point 15 (Page 125)
2
Net values sum by rates
Suma wartości netto wg stawek
“13) the sum of net sales values, broken down by sales subject to individual tax rates and sales exempt from tax;”
VAT Act, Art. 106e sec. 1 point 13 (Page 124)