Solution : https://service.sap.com/sap/support/notes/523791 (SAP Service marketplace login required)
Key words :
sales/purchase tax rates, sales/purchase tax, terms tax rate, sales/purchases codes, normal vat rate, tax rate change, sales/purchases, pecentage rates, existing tax, tax balances
Related Notes :
353539 | Legal Requirements for Portugal - Collective Note |
117983 | Change of tax on sales/purchases (w/o tax jur.code) |