Be direct and to the point and, in the first sentence, acknowledge the receipt of their letter of resignation and formally accept it. I am writing to acknowledge receipt of your resignation letter dated September 12, 2051.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. The following are examples of letters from a manager accepting an employee's resignation. Use these examples to help you write your own letter. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included. Can't give two weeks' notice?