Field help (BPSLOC) 

This is the location code where the products will be transferred during the sub-contracting transfer (location change) to identify the products transferred to the sub-contractor. As far as a sub-contracting operation is concerned, the machine transferred remains the site property. To materialize the goods transfer, the dedicated locations are used.
SEEINFO The type of these locations must be aSub-contractorlocation.
The transferred quantity for sub-contracting of a product is displayed in the totals of the table Product-sites.