Leaving a job isn't easy. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.A resignation letter is a way to formally end your employment and provide details such as an end date and contact information. 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. 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. Dear (Manager's name),. 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. How to write a formal resignation letter (with examples). phoenix.