Re: account number
Dear Sir/Madam
This is to inform you that on [date], I bought a [name of the product, with serial/model number] from [details like location, date etc.].
I am sorry to inform you that your product has not performed well due to [state the problem]. I am disappointed because [explain the problem; for example, the product does not work properly, ex. I was billed the wrong amount, something was not disclosed clearly or was misrepresented, etc]. Therefore, I seek your immediate attention to resolve the problem by taking appropriate action, such as [state the specific action you want - money back, charge card credit, repair, exchange, etc.]. I am also enclosing copies of my records [include receipts, guarantees, warranties, canceled checks, contracts, model and serial numbers, etc].
I shall look forward to your reply and a resolution to my problem, and will wait until [set a time limit] before seeking help from a consumer protection agency. Kindly contact me at the above address or by phone at [phone no.].
Sincerely,