eInvoicing

CII

Proprietary format	Reference
CII Invoice - D16B (SCRDM -CII)	2016 16B

These can create message syntax that trading partners can exchange globally. UN/CEFACT developed it with input from various business organizations, including GS1, EUROFER, CIDX, EDIFICE, AIAG/ODETTE/JAMA, GHX, UK e-Government, UK HM Customs & Excise, and EDS.

PEPPOL

Proprietary format	Reference
PEPPOL Access Point	PEPPOL Access Point API - API Specifications 2.0.1 (3.0)

All European public administrations must be able to accept invoices in electronic format from their suppliers, in compliance with the European standards approved by CEN: UN/CEFACT XML and UBL.

The LSP Web Services Gateway provides connectivity to Access Point Providers (APP) through the PEPPOL Access Point invoice.