The letter should make it clear that you are preparing to take legal action against them if your demands aren't met or at least reasonably considered. A sample confirming letter is shown below.You can follow this format for almost any important (or seemingly important) piece of information. Learn the key steps and strategies for crafting a powerful demand letter to assert your rights and seek fair compensation. Boost your chances of success. Sample forms and checklists for attorneys. It's easy to get started with these templated resources. If you receive a subrogation letter in the mail and you do not have insurance, you will need to defend the claim on your own. It is important you fill out the form and return it to HCA.