State your resignation and provide the effective date. A short resignation letter is the way to go.Include your name, position, the date of resignation and the intended last day of work in the first paragraph. Simply state something like "Effective this dste, consider this my two week's notice. My last day will be September 1. Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline. A one (1) week notice letter is written notification provided to an employer that an employee will no longer be working with the company within seven (7) days. I am writing to inform you that I have made the difficult decision to resign from my position at Phoenix Realtors. In this article, we discuss how to create a 30day resignation letter, why it's important and provide a template and examples to help you write your own.