While creating a Purchase Order, If Net Price of the order is found to be zero with the calculation schema, System checks data in the last purchase orders and copies values from the last PO.
The following conditions must be met before system copies price from the previous purchase order
- An Info record exists for the Vendor, Material Combination at the purchase org/ plant.
- The last document is not a request for quotation.
- The calculation schema of the last document is the same as the schema for the Purchase Order being created
- Net Price of the purchase order is zero based on the calculation schema
A copy function is executed to copy values from the last document. No checks are made for requirements for the calculation schema.
As a exception to the above, system does not copy the condition records of the subsequent settlement (condition class "C"); instead, they are always determined again to ensure that the condition records are consistent with the field contents
The copy control can be disabled at user level by maintained EVO parameter as described in SAP Note# 675523