Guide · Updated May 2026
Markdown exportTotals, rounding, and line amount mismatches
Validators recalculate invoice totals from line items, allowances, charges, tax subtotals, prepayments, and rounding.
What you may see
Use these points as the practical checks for this section.
- Line sum does not match invoice total
- Tax inclusive amount does not match
- Payable amount does not match
- Tax subtotals do not match total tax
- Minor rounding difference detected
- PDF tax does not match export tax
- Prepaid amount exceeds invoice total
What this means
E-invoice validators recalculate totals from line items, allowances, charges, tax subtotals, prepayments, and rounding. If those numbers do not add up, the invoice can be rejected.
What to check
Use these points as the practical checks for this section.
- Line net amounts
- Quantity times unit price
- Document-level discounts and charges
- VAT subtotals by rate and category
- Total without VAT
- Total VAT
- Total with VAT
- Amount already paid
- Amount due
- Rounding amount