Solution : https://service.sap.com/sap/support/notes/135999 (SAP Service marketplace login required)
Key words :
error message ff704, additional key words, prerequisites tax codes, active tax conditions, output tax 'mws', additional tax 'zas', tax jurisdiction codes, 'tax code &, tax amount, payments made
Related Notes :
| 207070 | No currency change after billing down payment dates |
| 168100 | Correction to Note 135999 |
| 113347 | Down payment process. as of Release 4.0x (standard) |