1234, Main Street
Boston, MA 02123
05 April, 2005
<Recipient Address Goes Here>
As the holder of your promissory note dated <date of note> we hereby demand payment of the unpaid balance of principal and accrued interest in the amount of <Amount>.
We expect to receive full payment <payment address> by <deadline>. If you anticipate any trouble making this payment, please contact us immediately.
Thank you for your prompt attention to this request.
encl: <List of enclosed items goes here>