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. Subrogation is an arrangement between insurance companies to prevent insured parties from receiving double compensation.Subrogation refers to the act of one party taking over the legal rights of another party to seek damages through a lawsuit. To file a claim against the County please complete the form below, print, sign and send to the address listed on the form. To file a claim against the County please complete the form below, print, sign and send to the address listed on the form. Or agents from waiving the right of subrogation prior to a loss or claim. Broad form property damage (including completed operations). Suppose you believe you have a valid claim against Caltrans due to property damage, personal injury, or other reasons related to their actions or negligence. Suppose you believe you have a valid claim against Caltrans due to property damage, personal injury, or other reasons related to their actions or negligence. For bodily injury and property damage.