Waiver of Subrogation for Workers Comp. The City of San Diego, its respective elected officials, officers, employees, and volunteers.Waiver of Subrogation - Contractors needing Workers Compensation insurance are required to provide this waiver. We exist to provide workers' comp insurance to all California businesses. Because we are not for profit, our purpose is different from other insurers. To avoid a subrogation claim, your attorney may request a waiver of subrogation on your workers' compensation claim from the insurance carrier. The following endorsement is required: A. Waiver of Subrogation Endorsement. Endorsement must be applicable in the state of California. We are happy to assist you with your workers' compensation and waiver of subrogation needs. File a claim form to protect your rights and start the workers' compensation process.