A link to the PDAM text may be found on http://www.x500standard.com/index.php?n=Ig.Extension. The PDAM text includes a suggestion on how to back-out the concept of alternative distinguished names. It would be useful if others could check the text. 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/ <http://dk.linkedin.com/in/andersenerik> http://dk.linkedin.com/in/andersenerik