Solution : https://service.sap.com/sap/support/notes/418553 (SAP Service marketplace login required)
Key words :
module calls function module 'update_gltax_data', actual mm document number awref, additional key words vertex, attached source code corrections, initial temporary document number, function module 'external_tax_doc_add_gltaxdata', function module 'external_tax_document_post', document number awref, temporary document number, external tax system
Related Notes :
514372 | MRRL: Missing entries in table ETXDCH |
428945 | MIRO: External US taxes are not updated |
424974 | Invoice receipt: Error in different updates |
367185 | MIRO not sending tax documents to external tax system. |
366825 | MIRO: Gaps in MM document numbers and external FI numbers |
365643 | Tax lines in addition to external system's lines |
211964 | Parked documents aren't updated to ext. audit file |