Most frequently, contracting parties agree to contractually require the inclusion of a waiver of subrogation endorsement in a workers' compensation policy. Forms for employers and third-party administrators who represent employers.Calculation Rate – SIF 5A (F207-156-000) Claim Allowance Request (F207-215-000) A workers' comp waiver of subrogation is a document that states that you are waiving your right for your insurer to seek compensation from a third party. A waiver of subrogation means that a business and their insurance company is foregoing all rights to file suit, or seek damages, from another business. A waiver of subrogation is an agreement where you waive the right for your insurance company to seek compensation from a negligent third party for their losses. Contractor agrees to obtain any endorsement that may be necessary to affect this waiver of subrogation. Yes □ No If "Yes", complete the following. Name of Operator. Accident. Date. Subrogation is the right of an insurer to pursue the party that caused the loss to the insured in an attempt to recover funds paid in the claim.