Professional Resignation Letter is a formal written notice announcing intention to leave a job. Explore why a good resignation letter is important and how to write it, and check out our free resignation letter examples.Learn how to write a thankyou letter to your employer after submitting your resignation with these 7 steps and review our examples. I'd like to take the time to thank you, most sincerely, for the support and leadership you've given me during my tenure with ABC Organization. Use one of our resignation letter templates. A Board Resignation Letter is a notice directed to a board or a director announcing an individual's intention to resign. To keep your letter professional, use clear language, avoid negative comments, and express gratitude for the experiences you had at the job. How To Write A Letter Of Resignation? In the second paragraph of a resignation letter, it's customary to express gratitude for the opportunity to have worked for this company. Seven days notice to rescind was not stated in the letter.