Solution : https://service.sap.com/sap/support/notes/200591 (SAP Service marketplace login required)
Key words :
customer-function '001'customer-function '002'customer-function '003', customer-specific source code, additional key words vf01, apply hot package, hot package systems, pegging billing document, billing document transferred, user exits lie, billing document, hot packages
Related Notes :
| 301077 | User exits for the interface for accounting |