What is subrogation? Why am I being asked to waive it?Subrogation occurs when your insurance company pays for an accident, then works to recoup expenses from the at-fault driver's insurer. The claim went to subrogation, but they could not determine fault. A notice of claim must be filed in writing. If an insurance company filed a subrogation claim for property damage against you, a skilled property damage attorney could can help you. Subrogation occurs when an insurance company goes after a third party for reimbursement of monies paid during a lawsuit as a result of an accident. Subrogation is when your insurer seeks reimbursement for your claim from a third party. Learn more about subrogation and how it applies to car insurance. At the minimum, your subrogation file should contain all elements corresponding to liability determination and proof of damages.