Hi, sorry for refering to my stackoverflow post here: http://stackoverflow.com/questions/19810882/modularization-of-jasper-reports-pass-data-source-to-subreport-without-unnecess (referenced some quite insufficient jaspersoft answers in there as well) It would be nice if somebody could provide some feedback of the state of the issuea nice solutiona well documented workaround (since this use case seems quite obvious and common to me)Thanks a lot Andreas :-)