Money Owed Demand Letter – Strictly for debts or outstanding balances. As the payment is now overdue, we kindly request your immediate attention to settle the outstanding balance.This article provides a template for a debt settlement proposal letter and explains what a debt settlement letter should contain. Access a free sample of late payment letter template at 360 Legal Forms. Discover free legal forms and printable templates for individuals and businesses. Follow these 10 tips to write overdue payment letters for requesting outstanding payments from your late paying customers. You can write an unpaid wages demand letter to your employer to demand immediate payment if they have not given you the wages you are entitled to. What should be included in a demand letter? We've created ready-to-use collection letter templates. Read on below to find out what every letter should say in order to collect payment as soon as possible.