This program will help you write a letter that formally requests the money you are owed. This is called a Demand Letter.Find out how to ask a state or local government for money it owes you (called a claim). Explore the process of drafting a California demand letter. Discover essential components, legal guidelines, and access a free template. When writing a demand letter, you must clearly state what kind of relief you are seeking. Ask For What You Want Make sure that you include what you want in the letter. A demand letter is an official notice requesting money, possession of assets, or action on a legal matter. How do I write an official demand letter to request the amount owed to me before I file in claims court in California? A letter is sometimes the most effective way to send a particular message.