There is a customer brings items damaged, change without a receipt and there is no data on purchases from shops where and when that risk that may be stolen items.
A customer's request to change the defective goods without a receipt, and no information on where and when to buy it from the store, which may be a risk that the goods stolen.
Customers bring the goods damaged to change the receipt and no information on where and when bought from the shop which the risk that may be the goods stolen.