Solution : https://service.sap.com/sap/support/notes/1470592 (SAP Service marketplace login required)
Key words :
tax table bset, table tax_appli, tax bypass, bset-kschl, bset-ktosl, ac interface, terms idoc, tax_appli reason, reference transaction, bkpf-awtyp
Related Notes :
| 1525005 | Create missing entries in ETXDC* tables |
| 1524351 | Corrections supporting note 1525005 |
| 1241247 | BAPI does not update External Tax System |