Function Module list used by SAP ABAP Function Module ISJP_INVSUM_CALC_HEADERS (Prepare Data for Invoicing (Calculated Headers))
SAP ABAP Function Module 
ISJP_INVSUM_CALC_HEADERS (Prepare Data for Invoicing (Calculated Headers)) is using
| # | Object Type | Object Name | Object Description | Note |
|---|---|---|---|---|
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|
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| 1 | Function Module |
ISJP_CALCULATE_CLOSDATES | Calculate Possible Headers (For Payer/Period) | |
| 2 | Function Module |
ISJP_DETERMINE_DUEDATE | Consider Calendars For Duedates | |
| 3 | Function Module |
ISJP_GET_INTERNAL_NR | Internal Numbering for PIs and MIs | |
