__________ (Sender’s Details)
Date: __/__/____ (Date)
__________ (Receiver’s Details)
Subject: Request for extension of voucher
Respected Sir/ Madam,
Courteously, I am __________ (Your Name). This letter is to bring to your kind notice that I bought/received a voucher of __________ (Mention amount) on date __________ (Mention Date). My voucher number/code is __________ (Voucher Number/Code) which is valid till __________ (Date).
I request you to kindly extend my voucher validity as I will not be able to use it for the coming few __________ (Mention Duration – Days/ Months). I am using your service since __________ (Mention Duration). I hope you will accept my request. If you require more information regarding the same, please contact me on below-mentioned contact details.
__________ (Contact Details)