Solution : https://service.sap.com/sap/support/notes/544549 (SAP Service marketplace login required)
Key words :
system displays error message ff747, terms external tax system, error message ff759, implemented sap note 437983, tax jurisdiction codes, tax base amount, external system, tax amount, billing document, post document
Related Notes :
| 437983 | No FI transfer in case of tax rounding differences |