VbzCart/docs/ui/terms/restock/request/exp

This is the quantity we are expecting to receive from the Template:L/vc/term. If it is blank, we're expecting to receive the amount that was ordered.

What most often happens is that the supplier does not have as many in stock as we want; if they helpfully inform us about this before the restock Template:L/vc/term, then we use this field to record the amount we've been told to expect.

Occasionally, a supplier may throw in extra units not ordered (either free or to fill a required minimum); this field can be used to record that fact as well, if we find out about it before receiving the shipment.

Either way, if we only find out about a quantity change when the restock shipment arrives, then this information gets recorded in the Template:L/vc/term data instead of here in the Template:L/vc/term data.