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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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UBL CommonExtensionComponents (CEC)

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UBL extension mechanism via cec:UBLExtensions.

Definition

ext:UBLExtension carries ExtensionContent which hosts a Document Foreign Namespace (CIUS for example). Used for digital signatures (XMLDSig), additional regional data (Italian FatturaPA tags). PEPPOL CIUS profile for CIUS-Specific Extensions.

Origin

Mechanism published in UBL 2.0 (2006).

Example in context

<ext:UBLExtensions><ext:UBLExtension><ext:ExtensionContent><...italian tags.../></ext:ExtensionContent></ext:UBLExtension>