Apply tax rate area at line level in sales order and purchase order

Hi,

1.In purchase order i entered two lines and applied two different tax rate areas for both the lines

   when i print the purchase order. in Report only first line tax rate area is get printed       .

Processing option available in R43500 programme to print tried

2.same with sales order i entered sales order with two lines and and applied different tax rate area for both lines

   when i do the print invoice for the order  it again pic only first line tax rate area

Tried these processing options in the R42565 Programme

what other set ups can be done to get the expected result.