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. Start with a two weeks notice letter.This will serve as a formal, written documentation of your intent to leave and your transition timeline. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. Use one of our resignation letter templates. Read our guide to writing a professional resignation letter that helps you leave your company on a high note. What should I include in my resignation letter? TO: President Adela de la Torre. I'm writing to inform you of my intent to resign from my position as a staff nurse in the ICU at Johnson County Hospital. Make it brief, polite, say thanks for the job, and the date when you are leaving.