View on Westlaw or start a FREE TRIAL today, § 1. Complaint alleging subrogation of automobile collision insurer against party causing damage, Legal Forms.A Subrogation Letter should clearly state the facts of the case, including details of the incident (e.g. Subrogation claims aid insurance companies in recovering expenses they pay out when they're not liable for damages. Please attach a copy of the notice you received from your insurance company with this complaint form. Complaint Process - click here to file a complaint online or submit the forms below. Car insurance subrogation lets insurance companies recoup the cost of claims from the at-fault party. It can affect your deductible and auto insurance premiums. The Plaintiff, above named, complaining of Defendants, above named, alleges and says as follows: 1. You can submit a complaint against a company or producer with DOI.