Respected ___________ (name),
I am writing this email to inform you that I am holding a bank account in your branch bearing account number _________ (mention account number). This is to inform you that on __/__/_____ (date), I accidentally made a payment of ___________ (mention amount) to ______________ (account number) bearing transaction number __________ (mention transaction number).
Through this email, I would request you to kindly reverse the payment as the said transaction was done by mistake and unintentionally. I shall be obliged for your quick action. You may contact me at ____________ (mention contact details).
[Digital Signature – if applicable]
____________ (Contact details)