Caveat emptor effect that the initial transfer or license of intellectual-property rights is preserved. Most stores require proof of purchase and impose time limits on exchanges or refunds. Some larger chain stores, such as F.Y.E., Staples, Target, or Walmart, will, however, do exchanges or refunds at any time, with or without proof of purchase, although they usually require a form of picture identification and place per-transaction and/or per-person quantity or dollar limitations on such returns. In the UK, consumer law has moved away from the "caveat emptor" model, with laws passed that have enhanced consumer rights and allow greater leeway to return
Caveat emptor if a buyer who inspects new goods with reasonable promptness discovers them to be "nonconforming" (failing to meet the description provided or any other standards reasonably expectable by a buyer in his/her situation) and does not use the goods or take other actions constituting acceptance of them, the buyer may promptly return or refuse to accept ("reject") them and demand that the defect be remedied ("cured"). When goods fitting the same description and expectations are available for sale ("e.g.", when the vendor has other instances of the same mass-produced merchandise in stock inventory), either the vendor or the buyer may