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TopicRegistry of CIUS (Core Invoice Usage Specifications) and Extensions

This page aims to give the eInvoicing community the opportunity to share the ongoing and planned initiatives across Member States and sectors to create CIUS and Extensions on the European standard on eInvoicing.





Provide information on CIUS and Extensions

The table below aims to give the eInvoicing community the opportunity to share the ongoing and planned initiatives across Member States and sectors to create CIUS and Extensions on the European standard on eInvoicing. The content is community-driven and the contributors take the sole responsibility of the information shared. Please note that the information available does not have an authoritative character.

We invite you to contribute to build on the information available about the CIUS and Extensions on the European standard on eInvoicing by filling the table below:

NameTypeCountrySectorPurpose of the CIUS or ExtensionPublisherGovernorUnderlying specificationFurther infoStatusContact


CIUSAnyAnyRestricts the business process scope of the EN with reference to BIS2 business processes.OpenPEPPOLOpenPEPPOLEN16931


Icelandic national CIUS

CIUSISAnyApplies national regulations and imposes data format to payment instructions when using national payment clearling services.ISTISgovPEPPOL BIS 3.0 5A


Austrian national CIUSCIUSATAnyApply national regulationsBRZBRZEN16931


Austrian government CIUSCIUSATAnyAdditional regulations only applying to the mandatory government interface. This CIUS builds on top of the Austrian national CIUS!BRZBRZAT national CIUS


Italian national CIUSCIUSITAnyApplies national regulations and restricts data format in compliance with eInvoice national format (FatturaPA)AgID, AdEAgID, AdEEN16931


NLCIUSCIUSNLAnyApplies national regulations and conventions. The purpose of the NLCIUS is to prevent the need for any other NL governmental or organizational specific CIUS.NEN / SMeFNEN / SMeFEN16931

NLCIUS is a joint initiative of government, industry and standardization bodies in the Netherlands (SMeF body).


expected: dec 2017

Michiel Stornebrink (TNO)

Fred van Blommestein (Flowcanto)

G-accountExtensionNLAnyA G-account is a dedicated financial account of the supplier party for VAT taxes and wage taxes (loonheffingen). When the required amount of taxes is paid to this G-account, the customer party cannot be held liable by the tax authority in case the supplier party does not fulfill his tax returns.NEN / SMeFNEN / SMeFEN16931 (or NLCIUS)

Links: Wiki G-rekening, MKB servicedesk, Belastingdienst


Michiel Stornebrink (TNO)

Fred van Blommestein (Flowcanto)

XRechnung 1.0CIUSDEAnyGerman public sector CIUS.KOSITKOSITEN16931


Version 1.1 expected Nov 2017


NameA short descriptive name for general reference
TypeCIUS or Extension
CountryOne or more country codes, which the requirements the specification supports.
SectorThe industry sector, which requirements the specification supports.
Purpose of the CIUS or ExtensionA brief description of what the specification is intended for.
PublisherThe party who formally publishes the specification.
GovernorThe party who provides the specification its authority.
Underlying specificationThe specification that is used as base. A valid instance according to a CIUS specification must also be valid according to its underlying specification. If not it is an extension.
Further infoA hyperlink to more detailed information about the specification. Preferably that should include contact information.

The status of the specification (PLANNED, DEVELOPMENT, ACTIVE, REVOKED)

Please note that the information available does not have an authoritative character.

1 Comment

  1. Czech Republic has implemented e-reporting of  invoices (VAT Control Statement). more information is here Currently it seems to be only admin requirement related to one way VAT reporting.

    From system point of view it does require  to submit  invoice data in xml format to central database of Ministry of Finance. There is no yet option to receive invoices from counterparties, No full set of fields needed for e-invoice processing by business partners. Anyway we could consider it as first step to national e-invoicing provider.  Results of upcoming elections will influence next steps.