You want to use automatic conversion of purchase requisitions into purchase orders for some raw...

The Automatic Purchase Order indicator is set in the purchasing data of the business partner master record.

A source of supply containing valid conditions is assigned to the purchase requisition.

The Automatic Purchase Order indicator is set in the plant-specific purchasing data of the material master record.

A contract with plant-specific conditions exists for the material and the vendor.

A plant-specific source list entry exists for the material.