What is another word for proof of purchase?
Pronunciation: [pɹˈuːf ɒv pˈɜːt͡ʃɪs] (IPA) 
When it comes to proof of purchase, there are a multitude of synonyms that can be used to refer to the same thing. Some common examples include proof of sale, receipt, invoice, sales slip, purchase confirmation, payment confirmation, and purchase record. All of these terms refer to some form of documentation that shows a transaction has taken place. They can be used interchangeably in many cases to indicate that the person in possession of the document has a valid claim to ownership or some other legal right associated with the purchase. Whether you're shopping for goods or services, having proof of purchase is essential for any successful transaction.
