Knowledge Identifier: $Invoice
Launched in 1998.
Linked to: Open Application Group Integration Specification, European Committee for Standardisation
The $ XML message format for electronic invoices has been used since the inception of XML in 1998
Open Application Group Integration Specification has included an invoice since 2001
The European Union value added tax union - "Council Directive 2006/112/EC of 28 November 2006 on the common system of value added tax" article 226 is a concise definition of invoices within the union member states
Agreement has been made between UBL and UN/CEFACT for convergence of the two XML messages standards with the objective of merging the two standards into one before end of 2009 including the provision of an upgrade path for implementations started in either standard