Yes, your shipping department records the barcode and signs, receiver gets the list of them by separate record. Receiver checks these of course. You'll often

Yes, your shipping department records the barcode and signs, receiver gets the list of them by separate record. Receiver checks these of course. You'll often also put a variety of them inside. It's not just rough handling, but temperature and humidity too. You can audit this sort of thing by sending occasional fake packages with precise recording instruments in them, but for usual shipments just use a variety of indicators.