How to Submit a Missing Cash Back Inquiry | Deadline & Steps

How could I add a Missing Cash Back inquiry?

According to the order confirmation email sent by the merchant or the order confirmation information of the merchant website, follow the prompts on the page to fill in correctly.  Including order number, date, amount (pure number, no currency), shipping detail. Cash back only be valid on the amount you actually paid for goods, excluding taxes, shipping& fees, etc.