Solution : https://service.sap.com/sap/support/notes/1141760 (SAP Service marketplace login required)
Key words :
tax appendix table bset, external tax system, tax base amount, prerequisites jurisdiction codes, bset-fwbas, jurisdiction codes, company codes, report rbdapp01, process idocs, company code
Related Notes :
| 1241247 | BAPI does not update External Tax System |
| 1168511 | BAPI with jurisdiction code and tax line by line |
| 626235 | Tax postings with accounting BAPIs |