Address of Sender
Name of Recipient
Ref: Nature of Complaint
Dear Mr. /Ms. (Jones),
First Paragraph: Direct reference to the nature of complaint quoting reference of transaction/receipt number etc.
Second Paragraph: The kind of action solicited to rectify/replace or redeem the situation.
Final Paragraph: Give a suitable time-frame within which you expect the problem to be sorted out.
(Signature of Sender)
Name of Sender
Encl.: Name the enclosures included to substantiate your case.