Solution : https://service.sap.com/sap/support/notes/960639 (SAP Service marketplace login required)
Key words :
t001-txkrs = '1' manual tax rate entry, terms t001-txkrs, alternative tax rate, eu acquisition tax, reverse charge tax, transaction fb01/fbv1, bkpf-txkrs, exchange rate, tax amount, tax calculation
Related Notes :
| 1099516 | FBV0: Error because RTAX1-KURSF is not ready for input |
| 730466 | Legal requirement: Translate tax base with tax rate |
| 710691 | MIR4 - Tax rate on Tax tab page not displayed |