Solution : https://service.sap.com/sap/support/notes/1482786 (SAP Service marketplace login required)
Summary :
Key words :
changing parameter c_flg_xtxit = 'x', generates separate tax items, withif_ex_badi_tax1_xtxit_set~at_bset_compress = 'x', external tax system, function modules calculate_tax_document, export parameter e_bset_compress, export parameter e_tax_compress, txgrp remains unchanged, tax-relevant lines, relevant expense items
Related Notes :
| 1575217 | BADI_TAX1_XTXIT_SET: Summarizing document tax items |
| 1477287 | BADI_TAX1_XTXIT_SET: Summarizing tax items |
| 1158279 | Line-by-line tax: No tax items in clearing document |
| 1042117 | BADI_TAX1_XTXIT_SET: Line by line tax calculation per doc |
| 886203 | Meaning of:"Determine taxes line-by-line" |
| 643273 | FB01: Summarization BSET with "Determine taxes line-by-line" |
| 571928 | Summarization of tax items with external tax system |
| 36353 | AC interface: Summarizing FI documents |