A Subrogation Letter should clearly state the facts of the case, including details of the incident (e.g. Subrogation is an insurer's right to recover payments made to you under your insurance policy from a third party who is at fault for the loss.Insurance Coverage (not provisionally complex) (18). The Plaintiff, above named, complaining of Defendants, above named, alleges and says as follows: 1. You have no legal obligations to respond to a subrogation letter. Complete this form only if ALL of these statements are true: 1. You are NOT named in the accompanying Summons and Complaint. 2. To file a claim against the County please complete the form below, print, sign and send to the address listed on the form. During the subrogation portion, AAA will send the proof of the damages we paid for to the responsible party, or their insurance carrier, and request payment. Gregory Young, President.