While creating the PO, in ME21N screen, i am have 5 different document types for Document type ZNB3 i want to make Account assignment category as mandatory and also the enduser have to select K(Compulsary).
Is it possible to set acc ass category K as default for ZNB3 document type..or otherwise this field should be made mandatory only for this ZNB3 Document type
Pls Guide me..