Here you can decide the destination to which the deliveries should be shipped, in case this is other than the city entered in the Zip and city field under Delivery address in the Address/Terms tab for this customer. This will then be printed on the shipping documents for deliveries, instead of the city entered in the delivery address field.
Destination and zip code on the SIS Waybill.
If the zip code for the destination also differs from the zip code in the delivery address, you can enter it under the button called Extra info....