money-backcode
nounUK /ˈmʌni bæk kəʊd/
US /ˈmʌni bæk koʊd/
A money-back code is a special set of letters or numbers that lets you get your money back.
The shop gave me a money-back code so I could get a refund for the broken toy.
OTHER MEANINGS
2. A code printed on a receipt that proves you can ask for your money back.
Keep the money-back code on your receipt in case the shoes don't fit.
3. A secret code used to claim a cash reward after buying something.
Enter the money-back code on the website to get five dollars back.
4. A promise code from a seller that your payment will be returned if you are not happy.
The online store emailed a money-back code with every order.