To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. Be direct and to the point and, in the first sentence, acknowledge the receipt of their letter of resignation and formally accept it.Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Learn how to write a professional resignation acceptance letter with our helpful guide. Want to know how to write a retirement letter of resignation? Get the insights you need and free retirement letter template to help guide the way. I am writing to acknowledge receipt of your resignation letter dated September 12, 2051. I wish to inform you that your resignation has been accepted. Petition for Resignation of Guardian of a Minor.