SIST-TS CEN/TS 16931-3-1:2017
(Main)Electronic invoicing - Part 3-1: Methodology for syntax bindings of the core elements of an electronic invoice
Electronic invoicing - Part 3-1: Methodology for syntax bindings of the core elements of an electronic invoice
This CEN Technical Specification (TS) contains the methodology for syntax bindings of the core elements of an electronic invoice. Any rules to be followed when using one of the syntaxes specified in parts CEN/TS 16931-3-2 up to and including CEN/TS 16931-3-5 are stated informally in this TS. Together with this TS a set of validation artefacts is published, including formalisation of the rules.
Elektronische Rechnungsstellung - Teil 3-1: Methodik für die Umsetzung der Kernelemente einer elektronischen Rechnung in eine Syntax
Diese Technische Spezifikation (TS) legt die Methodologie der Zuordnung zwischen dem semantischen Modell einer elektronischen Rechnung nach EN 16931-1 und einer Syntax fest. Für jedes Element des semantischen Modells (einschließlich Unterelemente oder Ergänzungskomponenten wie z. B. Kennungen eines Identifikationsschemas) sollte definiert werden, welches Element in der Syntax verwendet werden muss, um seinen Informationsinhalt wiederzugeben. Jegliche Diskrepanzen zwischen Semantik, Format, Kardinalität oder Struktur werden angezeigt.
Facturation électronique - Partie 3-1 : Méthodologie applicable aux correspondances syntaxiques des éléments essentiels d'un facture électronique
Elektronsko izdajanje računov - 3-1. del: Metodologija za sintakso povezav ključnih elementov elektronskega računa
Ta tehnična specifikacija CEN (TS) vsebuje metodologijo za sintakso povezav ključnih elementov elektronskega računa. Vsa pravila, ki jih je treba upoštevati pri uporabi ene od sintaks, navedenih v delih CEN/TS 16931-3-2 do vključno CEN/TS 16931-3-5, so neformalno navedena v tej tehnični specifikaciji. Skupaj s to tehnično specifikacijo je objavljen sklop artefaktov za potrjevanje, vključno s formalizacijo pravil.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TS CEN/TS 16931-3-1:2017
01-oktober-2017
(OHNWURQVNRL]GDMDQMHUDþXQRYGHO 0HWRGRORJLMD]DVLQWDNVRSRYH]DY
NOMXþQLKHOHPHQWRYHOHNWURQVNHJDUDþXQD
Electronic invoicing - Part 3-1: Methodology for syntax bindings of the core elements of
an electronic invoice
Elektronische Rechnungsstellung - Teil 3-1: Methodik für die Umsetzung der
Kernelemente einer elektronischen Rechnung in eine Syntax
Facturation électronique - Partie 3-1 : Méthodologie applicable aux correspondances
syntaxiques des éléments essentiels d'un facture électronique
Ta slovenski standard je istoveten z: CEN/TS 16931-3-1:2017
ICS:
03.100.20 Trgovina. Komercialna Trade. Commercial function.
dejavnost. Trženje Marketing
35.240.63 Uporabniške rešitve IT v IT applications in trade
trgovini
SIST-TS CEN/TS 16931-3-1:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TS CEN/TS 16931-3-1:2017
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SIST-TS CEN/TS 16931-3-1:2017
CEN/TS 16931-3-1
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
July 2017
TECHNISCHE SPEZIFIKATION
ICS 35.240.20; 35.240.63
English Version
Electronic invoicing - Part 3-1: Methodology for syntax
bindings of the core elements of an electronic invoice
Facturation électronique - Partie 3-1 : Méthodologie Elektronische Rechnungsstellung - Teil 3-1: Methodik
applicable aux correspondances syntaxiques des für die Umsetzung der Kernelemente einer
éléments essentiels d'un facture électronique elektronischen Rechnung in eine Syntax
This Technical Specification (CEN/TS) was approved by CEN on 14 May 2017 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 16931-3-1:2017 E
worldwide for CEN national Members.
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Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Methodology . 6
4.1 Introduction . 6
4.2 Semantic alignment . 7
4.3 Structural alignment . 8
4.4 Cardinality assessment . 9
4.5 Data type formatting . 10
4.6 Code values . 12
4.7 Business rules . 12
4.8 Documentation . 13
5 Cross-mapping between syntaxes . 15
5.1 Introduction . 15
5.2 Semantic level . 15
5.3 Structural level . 16
5.4 Syntactical level . 16
5.5 Cardinality level . 16
Bibliography . 17
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European foreword
This document (CEN/TS 16931-3-1:2017) has been prepared by Technical Committee CEN/TC 434
“Electronic invoicing”, the secretariat of which is held by NEN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
This document is part of a set of documents, consisting of:
— EN 16931-1:2017, Electronic invoicing — Part 1: Semantic data model of the core elements of an
electronic invoice;
— CEN/TS 16931-2:2017, Electronic invoicing — Part 2: List of syntaxes that comply with EN 16931-1;
— CEN/TS 16931-3-1:2017, Electronic invoicing — Part 3-1: Methodology for syntax bindings of the
core elements of an electronic invoice;
— CEN/TS 16931-3-2:2017, Electronic invoicing — Part 3-2: Syntax binding for ISO/IEC 19845 (UBL
2.1) invoice and credit note;
— CEN/TS 16931-3-3:2017, Electronic invoicing — Part 3-3: Syntax binding for UN/CEFACT XML
Industry Invoice D16B;
— CEN/TS 16931-3-4:2017, Electronic invoicing — Part 3-4: Syntax binding for UN/EDIFACT INVOIC
D16B;
— CEN/TR 16931-4:2017, Electronic invoicing — Part 4: Guidelines on interoperability of electronic
invoices at the transmission level;
— CEN/TR 16931-5:2017, Electronic invoicing — Part 5: Guidelines on the use of sector or country
extensions in conjunction with EN 16931-1, methodology to be applied in the real environment;
— FprCEN/TR 16931-6:2017, Electronic invoicing — Part 6: Result of the test of EN 16931-1 with
respect to its practical application for an end user.
According to the CEN/CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
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Introduction
The European Commission estimates that “The mass adoption of e-invoicing within the EU would lead
to significant economic benefits and it is estimated that moving from paper to e-invoices will generate
1)
. Based on this recognition “The Commission
savings of around EUR 240 billion over a six-year period”
wants to see e-invoicing become the predominant method of invoicing by 2020 in Europe.”
As a means to achieve this goal, Directive 2014/55/EU [5] on electronic invoicing in public
procurement aims at facilitating the use of electronic invoices by economic operators when supplying
goods, works and services to the public administration. In particular, it sets out the legal framework for
the establishment of a European Standard (EN 16931-1) for the semantic data model of the core
elements of an electronic invoice.
The semantic data model of the core elements of an electronic invoice – the core invoice model – as
described in EN 16931-1 is based on the proposition that a limited, but sufficient set of information
elements can be defined that supports generally applicable invoice-related functionalities.
In line with Directive 2014/55/EU [5], all contracting authorities and contracting entities in the EU will
be obliged to receive and process an e-invoice as long as it contains all of the core elements of an invoice
defined in EN 16931-1 and provided that it is represented in any of the syntaxes identified in the
related Technical Specification CEN/TS 16931-2 “List of syntaxes that comply with EN 16931-1”. This
CEN Technical Specification CEN/TS 16931-3-1:2017 defines the method by which the core elements of
the invoice should be mapped to a syntax. Subsequent CEN Technical Specifications apply this method
and map the core invoice model to syntaxes such as UBL (CEN/TS 16931-3-2), UN/CEFACT XML
(CEN/TS 16931-3-3) and the ISO 9735 series (UN/EDIFACT) (CEN/TS 16931-3-4).
By ensuring interoperability of electronic invoices, the European standard and its ancillary European
standardization deliverables will serve to remove market barriers and obstacles to trade deriving from
the existence of different national rules and standards – and thus contribute to the goals set by the
European Commission.
1) http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2010:0712:FIN:en:PDF.
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1 Scope
This Technical Specification (TS) specifies the methodology of the mapping between the semantic
model of an electronic invoice, included in EN 16931-1 and a syntax. For each element in the semantic
model (including sub-elements or supplementary components such as Identification scheme
identifiers) it should be defined which element in the syntax is to be used to contain its information
contents. Any mismatches between semantics, format, cardinality or structure are indicated.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 16931-1, Electronic invoicing — Semantic data model of the core elements of an electronic invoice
CEN/TS 16931-3-2:2017, Electronic invoicing — Part 3-2: Syntax binding for ISO/IEC 19845 (UBL 2.1)
invoice and credit note
CEN/TS 16931-3-3:2017, Electronic invoicing — Part 3-3: Syntax binding for UN/CEFACT XML Industry
Invoice D16B
CEN/TS 16931-3-4:2017, Electronic invoicing — Part 3-4: Syntax binding for UN/EDIFACT INVOIC D16B
ISO 15000-5:2014, Electronic Business Extensible Markup Language (ebXML) — Part 5: Core Components
Specification (CCS)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
electronic invoice
invoice that has been issued, transmitted and received in a structured electronic format which allows
for its automatic and electronic processing
[SOURCE Directive 2014/55/EU [5]]
3.2
semantic data model
structured set of logically interrelated information elements
3.3
information element
semantic concept that can be defined independent of any particular representation in a syntax
3.4
syntax
machine-readable language or dialect used to represent the information elements contained in an
electronic document (e.g. an electronic invoice)
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3.5
business term
label assigned to a given information element which is used as a primary reference
3.6
core invoice model
semantic data model of the Core elements of an electronic invoice
3.7
core elements of an electronic invoice
set of essential information elements that an electronic invoice may contain in order to enable cross-
border interoperability, including the necessary information to ensure legal compliance
3.8
identifier
character string used to establish the identity of, and distinguish uniquely, one instance of an object
within an identification scheme from all other objects within the same scheme
Note 1 to entry: An identifier may be a word, number, letter, symbol, or any combination of those.
3.9
identification scheme
collection of identifiers applicable for a given type of object governed under a common set of rules
4 Methodology
4.1 Introduction
EN 16931-1 defines a standardized semantic model of the core elements of an electronic invoice. The
purpose of the core semantic invoice model is to facilitate computer applications generate electronic
invoices and then for other applications receive and process those invoices automatically. These
electronic invoices are electronically transmitted and received, without the need for prior bilateral
agreement on the content or elements of the invoice. However, in order to exchange electronic invoices,
the model elements need to be represented in a “syntax”. A syntax specification allows the computer
systems to identify the content (element values) as part of a data stream.
Syntax specifications imply a semantic model. The syntax specification defines how elements are
organized (structured and serialized) in a predefined way in a data stream. Each element can be
identified by means of its position or sequence, or by means of tags or labels. A syntax specification also
defines the semantics of the elements, by naming and/or defining them. As such each syntax, by its own
rules and methods, defines a standardized semantic model of an electronic invoice.
A syntax specification also defines the grouping, hierarchy, data types, formats and cardinality of the
elements. In order to represent a standardized semantic model, such as the EN 16931-1 model, in a
syntax, it is defined as a subset of a given syntax specification. The elements of the syntax specification
may be more precisely defined, their cardinality may be restricted and their data types may be
narrowed.
A syntax binding specification (this document), or mapping, describes how a semantic model, such as
the model defined in EN 16931-1 is mapped to a selection of syntax specifications.
Creating a syntax binding specification requires aligning the semantic model and the syntax
specification at various levels (semantic, structural, etc.). At each level, specific alignment issues can
occur that need to be resolved. The remainder of this chapter will address the alignment of each of
these levels in more detail. When creating a syntax binding specification, it is advised to address each of
the levels in the following order:
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— semantic alignment;
— structural alignment;
— cardinality assessment;
— data type formatting;
— code definition;
— business rules.
One should keep in mind that syntax binding binds two existing specifications. ‘Aligning’ in this context
means restricting the usage of (an element within) one of the specifications, rather than extending the
use of (an element in) the other specification. The subparts of the CEN/TS 16931-3 series map the
semantic model of EN 16931-1 to several syntax specifications, not the other way around. This means
that the elements in the semantic model can be represented in the syntax, but not all elements in the
syntax are present in the semantic model. If in practice more elements are needed, first the semantic
model should be extended according to the extension methodology as specified in CEN/TR 16931-5.
Then the extended model can be mapped to one or more syntaxes using the methodology described
here.
4.2 Semantic alignment
The first step in mapping a semantic model to a syntax is to determine if each element in the semantic
model has a corresponding element in the syntax. The corresponding element in the syntax shall have a
similar or wider semantic definition with respect to the definition of the semantic model element. The
definition of the syntax element may be implied by the name of that element. For example: an element
named “VAT Amount” in the semantic model may be mapped to an element named “Tax Amount” in the
syntax specification. As VAT is a type of tax, the element “Tax Amount” is a wider concept than VAT
Amount. The semantic relation between elements from the semantic model and elements from the
2)
syntax specification can be specified using SKOS re
...
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