Could you elaborate more on the requirement for this request
Requirement:
SKC-user request change logic the program T-code ZDATATAX current make hard code vat V7 (YPROG_PARAMETER) change to be line item field vat code in PO number.
Based on my understanding, the current logic of hard coded vat code (V7) should be remove and the vat code should come from the vat code in the Purchase order. or the logic should be changed so that if there is a vat code in Purchase order it should used and if there is no vat code in PO it should retain V7 as the vat code. Could you also please provide a sample PO for us to use as reference.