Field help (STOFCYSRH) 

This is the site to which the material is returned. A product can be returned to another site in the company to the one which carried out the shipment.
A control is performed on the chosen site so as to check that it is a Stock type site. When a return is recorded, it is longer possible to modify this information.
Based on this information, it is possible to select a site in the list of authorized sites which have a storage function.