Master the art of writing a resignation letter with our comprehensive guide, offering step-by-step instructions, tips, and templates. Dear (Manager's Name),.I'm writing to you today to submit my notice and resignation letter. Begin your letter with a statement of intent that is brief and focused. State that you are resigning and the effective date. 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 announce my resignation from my position as a chemistry teacher at Lincoln High School. Note your last working day. 5. I am writing to submit my resignation from Capital Hospice, effective November 14, 2009. Although the past five years have been very rewarding.