Field help (DLVQTYSRH) 

This is the delivered quantity on the original packing slip minus any quantity already returned. For supplier returns, the delivered quantity is also the original delivery quantity minus the quantity already returned.
If it is a direct return, the delivery quantity is blank.

The shipped quantity is decreased by the returned quantity on the line when the return is saved. It is expressed in the return unit (SAL).

SEEINFO This field is not editable.