Solution : https://service.sap.com/sap/support/notes/1300470 (SAP Service marketplace login required)
Key words :
parameter type reference typei_rfcdest importing type ttxd-rfcdesti_cal_head_in importing type tax_cal_head_ini_cal_item_in_tab importing type tax_cal_item_in_tabo_cal_item_out_tab exporting type tax_cal_item_out_tabo_cal_level_out_tab exporting type tax_cal_jur_level_out_tabo_com_err_doc exporting type com_err_doco_ext_control_data exporting type ext_control_datao_rfc_error_code exporting type tax_rfc_error_codeparameter description i_rfcdest logical destinationi_cal_head_in tax interface, parameter type reference typei_rfcdest importing type ttxd-rfcdesti_cal_head_in importing type tax_cal_head_ini_cal_item_in_tab importing type tax_cal_item_in_tabi_cal_item_out_tab importing type tax_cal_item_out_tabi_cal_level_out_tab importing type tax_cal_jur_level_out_tabi_com_err_doc importing type com_err_doci_ext_control_data importing type ext_control_datai_rfc_error_code importing type tax_rfc_error_codeparameter description i_rfcdest logical destinationi_cal_head_in tax interface, tax system control datai_rfc_error_code rfc rfc error codeactivate class, tax system control datao_rfc_error_code rfc rfc error codee, rfcdest type ttxd-rfcdest, item levelo_cal_level_out_tab communication structure output data jurisdiction levelo_com_err_doc, item leveli_cal_level_out_tab communication structure output data jurisdiction leveli_com_err_doc, parameter type ty_buffer, class-data gv_no_buffering type xfeld, class-data gs_doc_buffer type ty_buffer
Related Notes :
| 1649777 | External tax calculation: Second method for RFC Buffering |
| 1499319 | Ext system returned different number of lines than received |
| 1427028 | Purchasing: External tax system is called too many times |