Solution : https://service.sap.com/sap/support/notes/455276 (SAP Service marketplace login required)
Key words :
enter reference table regup, enter database table regupw, extended withholding tax function, reference field pswsl, choosing 'table' -> 'save, choosing 'table' -> 'activate', withholding tax amount, attached support package, respective update run, displayed dialog box
Related Notes :
| 453725 | Euro changeover: wrong withholding tax in payment program |
| 448840 | Euro changeover: wrong withholding tax in payment program |