An experience letter confirms the period during which the individual was insured. It is used to help establish insurance history, prior coverage, claims experience, and sometimes rating eligibility when a client moves between insurers or jurisdictions. The core function is proof of prior insurance, including the dates coverage was in force. Option A is not the standard purpose; the last premium paid is not the key evidence an underwriter needs to establish experience. Option C may be relevant in an automobile file, but an experience letter is not primarily a driver-licence inventory. Option D is also too broad because prior vehicle ownership history is not the central item. For automobile underwriting, continuous prior insurance can materially affect rating, eligibility, and classification. Gaps in insurance history may raise underwriting questions or lead to less favourable treatment. Brokers should obtain accurate experience documentation early, especially for clients who are newly arrived, changing insurers, or unable to provide conventional driving and claims records. Reference/topics: Automobile Insurance; experience letters, prior insurance history, rating evidence, underwriting documentation.