How to Add a KSeF Number to an Invoice Visualisation

Practical guide: How to Add a KSeF Number to an Invoice Visualisation. Data stays in the browser and examples explain Fakturato limitations.

Start by selecting the correct document type

This step focuses on how to add a ksef number to an invoice visualisation. Use the relevant preset, review seller and buyer identifiers, dates, currency, line items and payment details. Keep a local JSON backup before major changes. The checker reports technical inconsistencies, but tax treatment must be confirmed for the actual transaction.

Prepare complete data

This step focuses on how to add a ksef number to an invoice visualisation. Use the relevant preset, review seller and buyer identifiers, dates, currency, line items and payment details. Keep a local JSON backup before major changes. The checker reports technical inconsistencies, but tax treatment must be confirmed for the actual transaction.

Calculate and validate

This step focuses on how to add a ksef number to an invoice visualisation. Use the relevant preset, review seller and buyer identifiers, dates, currency, line items and payment details. Keep a local JSON backup before major changes. The checker reports technical inconsistencies, but tax treatment must be confirmed for the actual transaction.

Check the export

This step focuses on how to add a ksef number to an invoice visualisation. Use the relevant preset, review seller and buyer identifiers, dates, currency, line items and payment details. Keep a local JSON backup before major changes. The checker reports technical inconsistencies, but tax treatment must be confirmed for the actual transaction.

Common mistakes

This step focuses on how to add a ksef number to an invoice visualisation. Use the relevant preset, review seller and buyer identifiers, dates, currency, line items and payment details. Keep a local JSON backup before major changes. The checker reports technical inconsistencies, but tax treatment must be confirmed for the actual transaction.

Checklist

• Correct document type and numbering
• Consistent net, VAT and gross totals
• Correct due date and currency
• XML only for a supported invoice type

Open Fakturato