Solution : https://service.sap.com/sap/support/notes/1111740 (SAP Service marketplace login required)
Key words :
tax document reason, external tax system, internal tax memory, complete memory, symptom refreshing, terms external_tax_doc_refresh, correction instruction, external_tax_doc_start_pricing, prerequisites
Related Notes :
1618135 | Background billing: individual entries missing in ETXDCH |
1371977 | Extend Key for Memory of Exernal Tax Interface |
1241247 | BAPI does not update External Tax System |