This section explains how the extension translates typical business cases into EN 16931-compliant amounts and categories – including the underlying BT codes and business rules.
- Amount Calculation – Document totals from BT-106 to BT-115.
- Discounts & Shipping – Allowances/charges and shipping as a document-level charge (BG-21).
- Vouchers & Prepayments – Prepaid amounts (BT-113) and multipurpose vouchers.
- VAT Categories – S/Z/E as well as K/G/AE/O and their business rules.
We are not tax advisors. The cases described serve as technical explanation and do not replace tax advice.