Solution : https://service.sap.com/sap/support/notes/1163678 (SAP Service marketplace login required)
Key words :
tax tab page, tax tax base 0, tax calculation indicator, call tax calculation, enter gross values, previous base amount, tax amount, base amount, gross amount, choose 'enter'
Related Notes :
| 1412997 | MIR4: No recalculation of taxes in display mode |
| 1019704 | MIRO/MIR4: tax on tax tab wrong |
| 856749 | FB60: Displaying calculated taxable value on tax tab page |