This part of prEN 82045 provides a comprehensive set of standardised metadata elements for document management in accordance with Part 1 of prEN 82045. To enable this, a standardised EXPRESS-based information reference model [5] is provided in Annex A. The information reference model is the basis from which the metadata elements are derived. The information reference model also provides a standardised framework for data exchange and a basis for the implementation of a document management system. This document also provides a standardised DTD (Document Type Definition) based on the XML (eXtensible Markup Language) language for the purpose of document exchang