This program will help you write a letter that formally requests the money you are owed. This is called a Demand Letter.Let them know how much they owe you and why you think they owe you the money. In the letter, the first line, tell them exactly what you want. You're writing this letter because the defendant owes you money and you want payment in 10 days. Explore the process of drafting a California demand letter. Discover essential components, legal guidelines, and access a free template. What do you include in a debt collection letter? Please fill out the Financial Statement completely and return it to Collections. File Form SSA-632, Request for Waiver of Overpayment Recovery.