ISO/FDIS 13616-1
(Main)Financial services — International bank account number (IBAN) — Part 1: Structure of the IBAN
Financial services — International bank account number (IBAN) — Part 1: Structure of the IBAN
Services financiers — Numéro de compte bancaire international (IBAN) — Partie 1: Structure de l'IBAN
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FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 13616-1
ISO/TC 68/SC 8
Financial services — International
Secretariat: SNV
bank account number (IBAN) —
Voting begins on:
2017-10-06
Part 1:
Voting terminates on:
Structure of the IBAN
2017-12-01
Services financiers — Numéro de compte bancaire international
(IBAN) —
Partie 1: Structure de l'IBAN
RECIPIENTS OF THIS DRAFT ARE INVITED TO
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OF ANY RELEVANT PATENT RIGHTS OF WHICH
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DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 13616-1:2017(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
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©
NATIONAL REGULATIONS. ISO 2017
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ISO/FDIS 13616-1:2017(E)
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ii © ISO 2017 – All rights reserved
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ISO/FDIS 13616-1:2017(E)
Contents Page
Foreword .iv
0 Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Conventions . 2
5 Structure . 2
6 Check digits . 3
6.1 General . 3
6.2 Checking the check digits . 3
6.3 Generating the check digits . 3
7 Registration of IBAN formats . 3
8 Formats and samples of IBANs . 3
Annex A (normative) Representation of the IBAN in the printed format. 4
Annex B (informative) Example of how to calculate and validate the check digits .5
Bibliography . 7
© ISO 2017 – All rights reserved iii
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ISO/FDIS 13616-1:2017(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 68, Financial services, Subcommittee SC 8,
Reference data for financial services.
This second edition cancels and replaces the first edition (ISO 13616-1:2007), of which it constitutes a
minor revision with the following changes:
— To evolve together with regulation, Clause 5 a) has been corrected from “the first two letters (2!a)
shall always be the two-character country code (alpha-2 code), as defined in ISO 3166-1, of the
country in which the financial institution servicing the account resides” to “the first two letters
(2!a) shall always be the two-character country code (alpha-2 code), as defined in ISO 3166-1, of the
country in which the financial institution services the account”.
— In 6.3, the following note clarifies how to implement ISO/IEC 7064 check digit, to ensure proper
validation of the IBAN: “From this, the check digits can only be in the range [02.98].”.
Attention is further drawn to the Introduction of this document, in which the expression “this revision”
refers to ISO 13616-1:2007.
A list of all parts in the ISO 13616 series can be found on the ISO website.
iv © ISO 2017 – All rights reserved
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ISO/FDIS 13616-1:2017(E)
0 Introduction
0.1 General
The use of electronic communication media and services internationally for the cross-border
transmission of information and payment and payment-related transactions between financial
institutions, as well as between financial institutions and their customers, continues to increase.
In order to facilitate automated processes in support of straight through processing (STP) in this
environment, the ISO 13616 series has been developed by ISO/TC 68/SC 7 as a means by which financial
institutions and their customers can exchange customer account identification details in a machine-
readable form through inter-industry electronic data interchange (EDI). It also makes provision for
validation of the information provided.
In developing the ISO 13616 series, it was recognized that a single, universal method for identifying the
account and banking relationship for customers of financial institutions was not practical. Accordingly,
the ISO 13616 series recognizes that financial institutions would wish to retain, wherever possible, their
current national identification methods. It therefore provides a method whereby a minimum amount
of change to existing systems is required and, at the same time, proposes a means of structuring the
information in a way that promotes automated processing of the information provided.
It is anticipated that the use of the ISO 13616 series in electronic data interchange will:
a) reduce the need for manual intervention in the processing of inter-industry and intra-industry data
interchange,
b) improve the level of confidence in the accuracy of the information provided, and
c) provide certainty that the information provided is relevant to the country of ownership of the
account.
It is recognized that the international bank account number (IBAN) could also be of use in a paper
environment. The use of information to further qualify details of the financial institution to which the
IBAN applies is not precluded by their use outside of the IBAN.
Nationally agreed IBAN formats that are compliant with the ISO 13616 series, and subsequently
registered with the ISO 13616 Registration Authority, are available at https://www.iso9362.
org/iso_13616_iban.html.
0.2 Background to this revision of ISO 13616
This revision of ISO 13616 was requested to achieve alignment between the ISO IBAN standard and the
IBAN standard of the European Committee for Banking Standards (ECBS), in order to have one single
globally accepted standard.
This revision of ISO 13616 incorporates the experience gained in the many European countries that
have already implemented the IBAN based on the ECBS standard. The critical advantages compared
with the previous ISO IBAN standard are the requirement for a fixed length of the IBAN, as well as
a fixed length and position of the bank identifier within the IBAN. This enables plausibility checks,
resulting in better STP and improved cost efficiency.
One of the main concerns was
...
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