ns.show_print_options = function(warn_on_duplicates, warn_on_reqdate) {
if (!ns.check_cv()) return;
if (warn_on_duplicates && !ns.check_duplicate_parts(kivi.t8("Do you really want to print?"))) return;
+ if (warn_on_reqdate && !ns.check_valid_reqdate()) return;
kivi.popup_dialog({
id: 'print_options',