In this step, you specify whether the regular vendor is to be taken into account in the source determination process.
Set the "Regular vendor" indicator if you wish the regular vendor to be used as the fixed vendor in source determination.
If, in the source determination process, several vendors are then found, one of which is flagged as the regular vendor, this vendor will be suggested. The others will not appear.
In the standard system, the regular vendor is not preferred in the source determination process. Instead, it is treated in the same way as other sources.