Hi Mark, do you know whats the most relevant WS-RM spec out there? http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=wsrm' http://www-128.ibm.com/developerworks/library/specification/ws-rm/ cheers -thomas -- xxxxxxxxxxxxxxxxxxxxxxxxxxxx Thomas Diesler Web Service Lead JBoss, a division of Red Hat xxxxxxxxxxxxxxxxxxxxxxxxxxxx