Solution : https://service.sap.com/sap/support/notes/1345264 (SAP Service marketplace login required)
Key words :
terms txgrp reason, relevant reference transaction, tax group field, tax table bset, tax bypass, table tax_appli, posting interface, expense items, revenue items, module fi_tax_calculat_without_bypass
Related Notes :
| 1465054 | BAPI:Tax line-by-line/tax bypass inactive: BSEG-TXGRP incorr |