[Your letterhead, if desired; if not, your return address]
[Date of letter-month, day, and year]
[Recipient's first and last names]
[Street or P.O. box address]
[City, State ZIP code]
Dear [recipient's name]:
We are writing to inform you that City Finance, Inc. must receive payment in the amount of $798.56 immediately. This past-due amount was originally due on March 23, 2010, and we must receive payment immediately in order to avoid further collections activity. Please pay this amount by sending a check or making a payment online at our Web site.
If you have any questions regarding the payment or amount owed, please call City Finance, Inc. at (800) 489-1212. Thank you for your prompt attention to this important matter.
[Sender's first and last names]