Solution : https://service.sap.com/sap/support/notes/951338 (SAP Service marketplace login required)
Key words :
separate exchange rate type, parameter type ptaxlw, parameter tax lw, fields bset-lwbas, tax base amount, foreign currency translation, exchange rate, tax amount, bset-lwste, national currency
Related Notes :
1351789 | RFUMSV25: Translation date for documents in local currency |
730466 | Legal requirement: Translate tax base with tax rate |
693774 | Tax and base amount not calculated with translation date |