Solution : https://service.sap.com/sap/support/notes/617694 (SAP Service marketplace login required)
Key words :
ch_bukrs_sum changing parameter, ty_bukrs_sum reference type, select checkbox 'optional', company codes, badi fi_tax_badi_016, terms fi_tax_badi_016, gt_bukrs_sum reason, program error, end_of_selection method, fi_tax_badi_016 badi
Related Notes :
| 622866 | Hungarian telephone invoices: Delivery date = VAT perf. date |