Because all post processors seem to ignore the program number assigned to a transfer operation, I've had to add a line to pheader post block: if trans_mi1$ <> 0, progno$ = trans_mi1$ so that the program number outputted is the same as transform operation's first custom parameter. However, in case of nested transforms, like in the file attached, it is not working. The aim is that (see the attached file) If you post only operation #1, it would output O1000 If you p