Frequently asked questions - Peppol

Have a question? You’re in the right place.

Frequently asked questions - Peppol

Have a question? You’re in the right place.

This page is designed to give you clear, straightforward answers to the questions we hear most often.  

If you can’t find what you’re looking for, our team is just a message away to provide you with more detail or walk you through a specific challenge. 
Please feel free to contact us, and we will make sure you get the answers you need.  

Peppol

Peppol is a network of certified service providers (Access Points) and a set of interoperability specifications that enable organisations to exchange structured business documents. The network is governed by OpenPeppol and implemented through participating Peppol Authorities.

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Organisations use different ERP and accounting systems, identifiers, and invoice formats. Peppol exists to reduce one-off integrations by providing common specifications and a trusted network model so systems can exchange documents reliably at scale.

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In the Peppol model, Access Points are the certified service providers that send and receive documents on behalf of participants.

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It is the identifier used to register your organisation so others can route documents to you. The identifier scheme matters as much as the number itself.

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No. Peppol is widely used, but some countries require government platforms, clearance models, or additional local rules.

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No. Peppol is used beyond Europe, and the network can support cross-border exchange when both parties are reachable through Peppol providers.

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August Bridge provides broad coverage across Europe. Some countries may require additional national procedures or approvals, so confirm the scope for your scenario.

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France has country-specific requirements and onboarding steps beyond standard Peppol exchange. If France is in scope, confirm the current process, prerequisites, and timeline before planning go live.

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In simple terms:

  1. SMP publishes participant capabilities and routing information
  2. SML is the shared directory that supports discovery across the network

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The 4-corner model visualises the structure of communication between sender and receiver, including each actor’s role and the trust model between service providers.

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In addition to exchanging invoices between sender and receiver, some governments may require participants to transmit tax-relevant data to a government platform. This can affect acknowledgements and country-specific procedures.

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Peppol BIS (Business Interoperability Specifications) define business rules and data requirements for specific document types. BIS documents are commonly based on UBL (Universal Business Language), which defines the underlying XML structure.

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Peppol PINT provides a more consistent baseline rule set designed to work across regions, while still allowing countries to apply local extensions.

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Peppol combines secure transport, standardised document specifications, and participant discovery to deliver a globally interoperable and secure document exchange framework:

  1. AS4 secure communication protocol for exchanging documents between Access Points.
  2. Standardised business document formats (BIS and PINT), based on UBL and CII.
  3. Participant verification and directory services that support discovery and routing.

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Businesses benefit from integrating Peppol by enabling electronic document exchange (such as invoices, orders, and shipping notices) across borders and industries in a standardised way that ensures compliance with international regulation requirements, such as EN 16931.

Common benefits include:

  1. Reduced one-off integrations by using shared specifications and the 4-corner Access Point model.
  2. Faster onboarding with trading partners through participant discovery and governed interoperability.
  3. Improved automation and fewer errors through structured data and validation.
  4. Clearer operational traceability through standardisedrouting and acknowledgements where available.

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Peppol differs from other global e-invoicing standards mainly in its approach to its secure global e-invoicing framework driven by regulation.

Peppol also differs by being a networked, governed, international interoperability framework that standardises both message content (UBL + BIS) and how messages are exchanged (4-corner AP model). Most other e-invoicing standards are national formats tied to tax clearance, often requiring direct connections to government platforms.

This governance and interoperability model is designed to reduce fragmentation across markets and trading partner ecosystems.

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No. Emailing a PDF is primarily a human-readable document exchange method. E-invoicing uses structured invoice data (commonly XML) that can be validated and processed automatically.

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These are common requirements behind many mandates:

  1. Authenticity: the issuer is who they claim to be
  2. Integrity: invoice data is protected against unauthorized change
  3. Legibility: humans (AP, auditors, tax authorities) can read and interpret the invoice
  4. Archiving: invoices must be retained for the legal period (commonly 5 to 10 years, depending on country and scenario)

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No. Structured exchange improves standardisation and validation against format rules, but VAT treatment and invoice content decisions remain with the business and depend on the transaction.

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By looking up the recipient’s participantid, you can retrieve capabilities (including supported document types) via the directory. This confirms whether the trading partner can receive a specific document type. You can also run a controlled test to confirm end-to-end delivery.

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Peppol exchange relies on certified providers and certificate-based trust between service providers. Documents are validated against network rules, and providers are subject to governance and audit requirements. Internal controls and master data quality still matter for end-to-end security and auditability.

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