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Design
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The *EDocument UN/CEFACT Module* introduces the following concepts:

.. _model-edocument.uncefact.invoice:

UN/CEFACT Invoice
=================

The *UN/CEFACT Invoice* renders an `Invoice
<account_invoice:model-account.invoice>` into an :abbr:`XML (eXtensible Markup
Language)` file that conforms to the `Cross-Industry-Invoice (16B-CII)
<https://unece.org/trade/uncefact/e-invoice>`_ standard.