Concept Definition
What is Peppol BIS Billing 3.0?
Peppol BIS Billing 3.0 is the implementation specification for invoices and credit notes on the Peppol network. It is a CIUS of EN 16931 based on UBL 2.1. It defines mandatory fields, code lists, and validation rules for cross-border e-invoice exchange in over 40 countries.
What fields are mandatory in Peppol BIS Billing 3.0?
Peppol BIS Billing 3.0 makes several EN 16931 optional fields mandatory and adds Peppol-specific rules. Key mandatory fields include:
- BT-1: Invoice number
- BT-2: Invoice issue date
- BT-9: Payment due date (conditional)
- BT-25: Credit note reference (for credit notes)
- BT-31 or BT-32: Seller VAT identifier or tax registration
- BT-46: Buyer identifier (Peppol participant ID recommended)
Frequently Asked Questions
- Is Peppol BIS Billing 3.0 the same as EN 16931?
- No. EN 16931 is the European semantic standard for e-invoices. Peppol BIS Billing 3.0 is a CIUS (constrained implementation) of EN 16931. It adds mandatory fields and Peppol-specific rules on top of the EN 16931 base requirements.
- Does Peppol BIS Billing 3.0 support credit notes?
- Yes. Peppol BIS Billing 3.0 covers both invoices (UBL Invoice document) and credit notes (UBL CreditNote document). The document type identifier in the Peppol envelope distinguishes between the two.