i am trying to get taxes info for a PO. i can see the data in the screen (ME23N: "Taxes" button in "Invoice" tab in "Item Detail"). the technical info of the fields says my data is in KOMP-MWSBP, KOMV-KBETR and KOMV-KWERT. of course this are structures and apparently i can not access then in the program (by the way, an exit executed when saving a new PO). i have tried with KONV table using the KNUMV of the PO but there is no record in that table for what i see in the screen.