How To Write Demand Letter For Personal Injury . Your attorney can help you draft a powerful demand letter. You must include the name and address of the person who caused the accident. Demand Letter Templates 11+ Free Word, PDF, Google Docs, Apple Pages from www.template.net You must include the name and address of the person who caused the accident. Components of a personal injury demand letter. How to write a demand letter to insurance company for personal injury (with free samples) a sample letter written to a particular insurance company for personal injury is a letter that is written to the insurance company of the person who has aggravated the injury either by car accident, machine at work etc for full compensation of the havoc provided the injured person.