Why should I write a resignation letter? Resignation letters are professional courtesies that extend your professionalism, even in the last.I wanted to thank you for recognizing the concerns I highlighted in my resignation letter, addressing them and then accepting my resignation withdrawal request. However, your employer doesn't have to accept your reversal and can go through with your resignation, meaning you will be out of a job. Resignation acceptance letter template. You can try to rescind, but they do not necessarily have to accept it. Resignation Withdrawal Letter: Applied for resignation but changed your mind? Write a withdrawal letter to your boss now. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. A two weeks' notice letter of resignation is a professional courtesy and at times a contractual obligation.