In many cases, standardisation initiatives have failed to convince stakeholders to use them. A lack of information about existing standards combined with the pride of some introverted organi- sations has resulted in the re-invention of dozens of niche standards (domestic or industry focus) even during the last years. They can probably only survive if they build a subset of one of the most popular global standards (Oasis UBL, UN/CEFACT) or if they are based at least on the same standard model.
An estimated 10,000 ERP and accounting solutions are used in Europe. Integrating various E-In- voicing standards is outside the scope of the ERP providers. That is why many E-Invoicing net- work operators offer any-to-any-data-formatting services. Besides legal challenges and the net- working idea, these formatting services are another main reasons that third party providers play a major role in E-Invoicing in most countries. As a result, issuers and recipients of invoices using such services are independent of any standards and they have no longer to wait for a market dominant standard.
Some global and industry independent standards for invoices and directly related pre- and post- processes are:
Figure 29: Global and industry independent standards for invoices
Standard Description
ebXML ebXML (Electronic Business using eXtensible Mark-up Language), is a modular suite of specifications that enables businesses of any size and in any geographical location to conduct business over the Internet. Using ebXML, companies have a standard method for ex- changing business messages, conduct trading relationships, com- municate data in common terms, define, and register business pro- cesses.
OASIS UBL 2.x UBL, the Universal Business Language, is the product of an interna- tional effort to define a royalty-free library of standard electronic XML business documents such as purchase orders and invoices. Be- sides ebXML, this standard is the most important one for E-Invoic- ing in Europe. It is the base of several country specific standards and it is the intention to merge it into UN/CEFACT. UBL is the first standard implementation of the ebXML (see above) Core Compo- nents Technical Specification.
UBL Northern Euro- pean Subset (NES)
The Northern European Subset (NES) defines the specific use of UBL electronic procurement documents domestically and between the member countries: Denmark, Sweden, Norway, Finland, Iceland, and the UK. NES documentation includes profiles describing busi- ness processes and scenarios, profiled UBL documents, and guide- lines on the specific usage of UBL entities, as well as schema and schematron validation tools.
UN/CEFACT UN/CEFACT, a United Nations body, has a global remit. It encour- ages close collaboration between governments and private business to secure inter-operability for the exchange of information between the public and private sector. It has developed:
• The UN Layout Key for Trade Documents, which is the founda- tion for the EU’s Single Administrative Document (SAD) • UN/EDIFACT, the international standard for electronic data in-
terchange
• numerous trade facilitation recommendations
• The UN/CEFACT CII (Cross Industry Invoice) provides not only standard XML schemas, but also globally consistent invoic- ing processes and data that are common across a wide range of industries.
PDF/A-3 ISO 19005-3
PDF/A is an ISO-standardized version of the Portable Document Format (PDF) specialized for the digital preservation of electronic documents. PDF/A differs from PDF by omitting features ill-suited to long-term archiving. This is a key requirement for business docu- ments which have legally be archived in long-term.
PDF/A-3 adds a single and highly significant feature to its predeces- sor PDF/A-2 (ISO 19005-2) specification, to permit the embedding within a PDF/A file a file, or files, in any other format and of any type, e.g. XML files. As of November 2012, PDF/A-3 is a brand
new standard. It is too early to assess adoption of PDF/A-3 per se, although several vendors of tools supporting creation of or conver- sion to PDF/A have announced that they already offer support for embedded files.
The intensive collaboration between the Forum for Electronic In- voicing in Germany (Forum elektronische Rechnung Deutschland or FeRD) and the PDF Association has begun to bear fruit. Based on PDF/A-3 and designed to simplify E-Invoicing, the Central User Guidelines of the Forum for Electronic Billing in Germany
(ZUGFeRD) – and the data format defined within them – was one of the highlights at the CEBIT fare 2013 and 2014. A number of pro- viders presented prototypes of ZUGFeRD-compliant solutions. The Germans embed a subset of UN/CEFACT CII (Cross Industry In- voice) as XML into the PDF/A-3 files.
Industry specific standards are • ETIS: Telecom invoices
• GS1: EANCOM standard mainly for Retail sector • ISO 20022: Financial industry
• LITIG/LEDES: Law firms • PIDX: Oil and Gas Industry
• Rosetta Net: vehicle manufacturers Some country specific standards are • Austria: ebInterface
• Belgium: BMF
• Czech Republic: ISDOC (based on UBL) • Denmark: OIOXML (based on UBL) • Finland: Finvoice
• Spain: facturae
• Sweden: Svefaktura, SFTI • Switzerland: swissDIGIN
• Turkey: UBL-TR (based on UBL)
2.7.2 Electronic invoicing on the EU agenda
The Digital Agenda is Europe’s strategy for a flourishing digital economy by 2020. It outlines policies and actions to maximise the benefit of the Digital Revolution for all [12].
The European Commission is focusing its efforts on removing barriers to the broad-scale adop- tion of electronic invoicing in Europe, and the four key priorities on this topic are:
• Ensuring a consistent legal environment for E-Invoicing • Achieving mass market adoption by getting SMEs on board
• Stimulating an environment that creates maximum reach between trading partners exchang- ing invoices
• Promoting a common E-Invoicing standard
For each of these priorities, the Commission Communication sets out a number of specific ac- tions, for example:
• The Commission proposed a revision of the E-Signature Directive to provide cross-border recognition of secure e-authentication systems.
• The European Committee for Standardization (CEN) [13], a major provider of European Standards and technical specifications, defined useful E-Invoicing Guidelines.
• In 2011, the Commission set up the “European Multi Stakeholder Forum on Electronic In- voicing” [12]. The aim was to bring together key actors from the private and public sector of all Member States. It provided a unique platform to exchange experiences and best practices that can pave the way to the broad-scale adoption of E-Invoicing at both national and EU level.
To facilitate the monitoring and implementation of these actions, the Commission pushed Mem- ber States to act as well. National Multistakeholder Fora have been formally set up in almost all European countries.
A major boost during coming years is expected due to the implementation of the new directive for E-Invoicing in public procurement. It will oblige the public administrations in the member states to support E-Invoicing in public procurement not later than 2018.