How To Write A Insurance Claim Demand Letter. Write all the required details the insurance policy number, your name, etc. This letter has to be written in formal language, do not use simple words.

Do not make it very lengthy. This letter has to be written in formal language, do not use simple words. If you do wish to write the settlement demand letter on your own, take your time and make sure it is as strongly written as possible for the insurance company to take you seriously.