In this article, we discuss how to include a reason in your resignation letter and provide some samples to guide your writing. My reason for resigning is stated below: (TO BE TYPED BY PERSONNEL CLERK).Effective Date of this Resignation. Signature. Date. Be brief and stay positive. I am writing to notify you of my resignation from my position as (job title) at (company name). My last day will be (month, day, year). Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. The original letter of resignation to Personnel Records. Earlier this year, Miami Beach City Commissioner Kristen Rosen Gonzalez resigned in order to run for Congress.