Solution : https://service.sap.com/sap/support/notes/726238 (SAP Service marketplace login required)
Summary :
Key words :
support package belonging, customer-specific class, alternative segment text, document data, ac interface, terms reex_fi_bapi, bapidoc_modify reason, missing function, method bapidoc_modify, interface if_ex_reex_fi_bapi
Related Notes :
| 939972 | FAQ: Accounting |
| 932805 | Payment method supplement (BSEG-UZAWE) in flexible RE mgmt |
| 803178 | Term of payment not copied to FI document |
| 797918 | No documentation, example code for BAdI 'REEX_FI_BAPI' |
| 726240 | Spec. of state central bank indicator in periodic posting |