To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. Use one of our resignation letter templates.Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included. Dear All, The issue is to be given the employee a relieving letter as for a reference? Can a trustee resign? What if the acting trustee dies or resigns or can no longer be the trustee? County of Santa Clara.