The tone of a Subrogation Letter should be professional, firm, and clear, but not overly aggressive. Like any legal document, the subrogation letter can be confusing if you aren't familiar with the term or the process.Click here to learn more about it! How to fill out the Subrogation Receipt for Insurance Claims Handling? Subrogation means your insurance company steps into your shoes after they've paid out a claim. A waiver of subrogation is a legal endorsement that prevents an insurer from recovering the money they've paid out on a claim from a negligent third party. A waiver of subrogation is a provision added to a COI that removes the right of one party's insurer to subrogate or seek compensation from the other. Learn how to maximize subrogation claims with this comprehensive guide from Paul Wilkinson Law. The following forms are available for downloading, printing and completing. Subject: Attachment A – STAR Kids Contract Terms and Conditions.