Delaware "Proof of Service" is a form used by auto Insurance Arbitration to document that a notice of dispute resolution has been served to the other party. The form includes the date, time, and method of service, as well as the name and address of the person served. There are two types of Delaware "Proof of Service" forms for auto insurance arbitration: personal service and alternative service. Personal service requires that the notice of dispute resolution be served directly to the other party in person. Alternative service allows for the notice of dispute resolution to be served to the other party through a third-party carrier, such as a registered agent, courier, or other approved delivery service.