CWA 16050:2009

Действует

A framework for the emerging network infrastructure of e-invoice service providers throughout Europe — 28 стр.

Ссылочные документы

BS ISO/IEC 6523-2:1998

Действует

Information technology. Structure for the identification of organizations and organization parts. Registration of organization identification schemes — 14 стр.

CWA 15581:2006

Действует

Guidelines for einvoicing service providers — 12 стр.