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.

Exchange Summit Americas

Miami Airport Hilton, Florida
8 May 2018 - 9 May 2018
Event Type: 

Adopted: UNCITRAL Model Law on Electronic Transferable Records

The Model Law on Electronic Transferable Records (MLETR) provides the trans-jurisdictional legal context for use of electronic transferable records that are functionally equivalent to transferable documents and instruments, such as bills of lading, bills of exchange, promissory notes and warehouse receipts.

Laws at country and sub-country levels are typically adapted to conform with UNCITRAL "Model Laws".

Read more

InvoiceLine Item Category


 I am researching information on UBL to introduce it in my organisation.

 I noticed that the InvoiceType can contain one-or-many InvoiceLine which are associated with an Item.


Read more

Article about UBL and the blockchain

OASIS UBL TC chair Ken Holman has published a very interesting article on XML.org, titled "The role of UBL in disintermediating procurement and transportation processes":


UBL Technical Committee Face-to-face

Fremantle, Australia
9 Jan 2018 - 10 Jan 2018
Event Type: 

UBL in China

Dear UBL fellows,

I am Laszlo Beloberk from the company Tradeshift. Until now we have been successfully using UBL in 44 different countries. Now we started looking into using it in China as well. Does anbody have any experience using UBL in that region? Or is anyone familiar with the Chineese invoicing systems including document types such as: Fapiao invoices, Guazhang and DuiZhang documents?

Any help or references would be highly appreciated.

Read more

go2UBL goes over 6.500 clients in The Netherlands

go2UBL is a converting party. It converts a paper of pdf document into a 100% UBL 2.1 format and can deliver it to a specific location.

Since the start in 2014 go2UBL is growing fast in The Netherlands. Mostly Accountingfirm and bookkeepingsoftware parties are using go2UBL.

go2UBL can convert every type of incoming invoices, cash reciepts en e-mail orders, screenshots or declarations.

It's the next step after OCR recognition and one step before 100% UBL to UBL.


Public review of the OASIS Business Document Naming and Design Rules Version 1.1 begins

The first public review of the OASIS Business Document Naming and Design Rules Version 1.1 proposed OASIS Standard with new rules for creating JSON validation artefacts for JSON documents, complete with the OASIS Committee Note of all UBL 2.1 document types as JSON schemas and all UBL 2.1 example documents as JSON documents, begins February 1, 2017 and closes April 1, 2017:


Public review of UBL 2.2 begins

The first public review of UBL 2.2, the successor to UBL 2.1 - ISO/IEC 19845:2015, begins February 1, 2017 and closes March 17, 2017:


Last week the committee also announced the acceptance of new requirements for UBL 2.3.

Comments may be submitted to the TC by any person through the use of the OASIS TC Comment Facility at:

Business Document Naming and Design Rules Version 1.0 published

Today the OASIS Universal Business Language (UBL) Technical Committee announced a finalized work product and two public reviews of three new work products. UBL is used in transportation and in procurement by governments and companies:

The finalized Business Document Naming and Design Rules Version 1.0 OASIS Standard dated 18 January 2017 was made public today at:
XML.org Focus Areas: BPEL | DITA | ebXML | IDtrust | OpenDocument | SAML | UBL | UDDI
OASIS sites: OASIS | Cover Pages | XML.org | AMQP | CGM Open | eGov | Emergency | IDtrust | LegalXML | Open CSA | OSLC | WS-I