How To Write A Refund Application Letter . (mention the refund of the particular product) dear sir/ma’am/ (the person who may be responsible for processing the refund), this is to bring to your kind notice that i had recently ordered a (product) from (company name, store name or the e commerce site). This letter is to request a full refund for my tuition fee of $225. Application for Security Fee Refund from documentshub.com Write down the serial number of the product if it has one. In order to write an application for a refund of your fees paid, you will have to follow the formal letters formatwe use for other official letters. Here's a process you can follow to write your withdrawal letter: