Customer Master Data 
Yon use batch input report RFBIKRK0 to create and change customer master data, if you are using the name enhancement of Public Sector Management.
For detailed information, see the program documentation Batch Input Interface for customers (RFBIDE00) from the component Financial Accounting . Both programs have the same functions. In particular the name enhancement (alternative name fields in the customer master record) is available in both programs. For more information on the name enhancement, see Public Sector Enhancement of Subledger Account Master Data .
If you want to transfer the vendor master data to the SAP system by batch input program, you have to call the data transfer workbench (transaction SXDA) and select the object type customer (KNA1).