We are entering material code and tax code with other details in Material tab of MIRO. PO has been given in PO reference tab. There no amount and quantity is given in PO reference tab. Control Code is present in the PO reference line item for the material. Tax rate is maintained for relevant condition types for the control code against combination of plant region and vendor region.
Now we are posting subsequent debit memo where tax calculation is not happening for the GST tax code selected.