The jbpm scheduler does not support this out of thebox. changing duedates is the only option you have. Most of the time, actions that have to be carried out at the end of a month are not specific for a processinstance, but more related to all processinstances of the same definition. Therefor it should be done outside engine, e.g. with Quartz View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4053412#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...