Resignation acceptance letter template. Re: Resignation Acceptance.Resignation Acceptance Email templates: Discover how to write an effective resignation acceptance letter. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. I am writing to formally acknowledge receipt of your resignation letter dated October 10, 2051. I am resigning because I have decided to accept a new position. My resignation is effective immediately. Re: Resignation Acceptance. My last day of work for you will be on X date. The purpose of the letter is to inform the board of the decision to step down and to provide details such as the effective date of the resignation.