D- South Society,
6 January 2012
<Mention recipient’s address>
Dear <Recipient’s name>
This is to inform you that you have failed to pay your outstanding balance of <amount> due. I’m sure you do not want to spoil your credit record, but since you have failed to respond to our last two overdue notices, or to arrange any sort of payment schedule, we are forced to take actions<consequences of nonpayment>.
We regret having to take such actions. To avoid any inconvenience, please contact our office to arrange for a payment schedule immediately.
encl: <mention list of enclosed items>