Directly state your purpose for writing in the first paragraph of your letter. This article will provide a detailed guide to professionally terminating a contract, including 3 contract termination sample letters and analysis.In this article, we'll show you how to write an independent contractor termination letter and provide samples to guide you on making your own. Easily fill in and download this professional customizable contractor termination letter template when you need to terminate a contractor agreement. Cancel an existing contract with a Termination Agreement. This easy-to-use template can be customized for leases and more. This article will walk you through how to write a client termination letter and provide you with a termination letter example you can use in your firm. Be Clear: Be direct and get straight to the point. Clearly state that you are terminating the attorney and briefly state the reasons why.