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Spotlight PEPPOL BIS Billing 3.0 The EU e-invoicing mandate is here — France Sept 2026, Belgium Jan 2026, Germany 2025.

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Foundations

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Standards

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Flagship messages

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Tools

TEAPPS

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Finnish XML invoice format from Tieto/TietoEVRY.

Definition

TEAPPSXML structures invoice and credit-note data in a proprietary XML schema widely adopted by large Finnish issuers and operators. Operators routinely convert between TEAPPS, Finvoice and PEPPOL BIS profiles to interoperate with counterparties.

Origin

Format defined and maintained by TietoEVRY (formerly Tieto / TietoEnator); the TEAPPSXML specification is published by TietoEVRY.

Example in context

<INVOICE><INVOICE_HEADER><INVOICE_TYPE>INV01</INVOICE_TYPE></INVOICE_HEADER></INVOICE>

  • Finvoice — the other Finnish national format, defined by the banks.