Welcome to UBL.XML.org.

This is the official community gathering place and information resource for the OASIS UBL (ISO/IEC 19845) International Standard. UBL defines a royalty-free library of standard electronic XML business documents such as purchase orders and invoices.

This is a community-driven site, and the public is encouraged to contribute content. Find the appropriate area to contribute to by hovering your pointer over the site area titles listed in orange banner above. This will briefly reveal the area description in a small pop-up box. For more detail, please see our policies and descriptions regarding posting content to certain areas.

In order to receive email notifications of posts to this site, please click top-right on your username next to "Logged in as:", or bottom-right "My account", in order to get to your account page. Go to the "Subscriptions" tab and you'll see 5 different sub-areas. The "categories" and "content types" sub-areas have a number of check-boxes. Click on any or all and then save your selection in order to receive an email notification of a new post in that area of this web site.

SC 34 Plenary

23 Mar 2009 - 27 Mar 2009
Event Type: 

SC 34 Plenary

Jeju Island, Korea
28 Sep 2008 - 1 Oct 2008
Event Type: 

First UBL/NES Invoice exchanged in Iceland (June 2007)

The Icelandic State Accounting Office has received it's first invoice according to the NES profile 4 format.


OASIS UBL Adoption Subcommittee launches new web site

The newly formed Adoption Subcommittee has launched a new service for support of UBL implementtions.

The UBL.XML.org website is an OASIS Focus Area established to provide a forum for those implementing UBL to share ideas, find resources and promote good practices.


Public Review Draft for OASIS UBL 2.0 Errata Document

OASIS announced a 15-day review period for the specification "UBL 2.0 Errata 01, Public Review Draft 01," ending 2008-05-08. The UBL 2.0 Update Package provides UBL 2.0 users with an upgrade to the December 2006 UBL 2.0 release.


UBL Features


  • Royalty-free library of standard XML electronic business documents.
  • Designed in an open and accountable standards process.
  • Plugs directly into existing business, legal, auditing, and records management practices with minimum disruption.
  • International effort, not specific to just one country or industry.
  • Eliminates re-keying of data in existing fax- and paper-based supply chains.
  • Maintains close alignment with existing EDI systems.
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History of UBL

In 2001, within OASIS, Jon Bosak, one of the inventors of XML markup language proposed the creation of a technical committee with the objective of creating a first set of business documents based on the CCTS (ISO 15000 part 5) to facilitate electronic business adoption tasks by companies and public administrations. This technical committee was called Universal Business Language.

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About the OASIS UBL Technical Committee

UBL TC stands for Universal Business Language Technical Committee.

The aims of the UBL TC are the following:

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Mail lists

The following UBL mailing lists are hosted by OASIS:

This list is used by OASIS UBL Technical Committee members to conduct their work. TC membership is required to post. TC members are automatically subscribed; the public may view archives.

This is a public mail list for providing input to the OASIS UBL Technical Committee members. Send a comment or view archives.

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Why use UBL

There are different reasons that, without entering in specific comparisons, are key in favor of using UBL instead of other XML vocabularies for the electronic business document preparation.


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