Hi I have produced a PowerPoint presentation on RFID directory support. It is intended as the bases for an updated Annex G of X.520. I have saved it as a Web file and it may be found on http://www.x500.eu/rfid-pres/tag-based-filer/frame.htm Notes have been added to several slides. Please submit any comment you might have. Erik Andersen Andersen's L-Service Elsevej 48, DK-3500 Vaerloese Denmark Mobile: +45 2097 1490 e-amail: era@xxxxxxx Skype: andersen-erik http://www.x500.eu/ http://www.x500standard.com/