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.

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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".

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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.


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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.

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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:

eSenders - UBL Expert for Luxembourg

In the scope of a new framework contract with the Publications Office of the European Union in Luxembourg, we are looking for an Expert eSenders-UBL.


Nature of the tasks:


To ensure efficient production and standardisation of its notices the Publications Office needs an expert to:

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