A claim against the County must be made in writing. Claims filed against the County must be completed in accordance with the California Government Code.If someone has asked you to sign a waiver of subrogation, it's best to discuss it with an experienced attorney and your insurance provider. Without subrogation, you would have a double recovery, which is not fair to the insurance companies. A waiver of subrogation is a provision that prohibits an insurer from pursuing a third party to recover damages for covered losses. If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may require an endorsement. 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. It's the process where an insurance company steps into your shoes to recover funds from the party responsible for your injury. A. Section II – Who Is An Insured is amended to include as an additional insured the person(s) or organization(s) shown in the Schedule, but only. Provides insurance coverage for small public entity vendors and contractors who do not carry their own insurance coverage. Volunteer.