It's best to tell your boss that you're moving on to the next step in your career "facetoface or over video call," with at least two weeks' notice. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own.If you sign a resignation letter, that means that you resigned. Provide at least two weeks' notice when leaving a job (preferably longer; double check requirements with HR). Specify a date and state your intentions clearly. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. First of all, you don't need to explain this in your cover letter. It is completely unnecessary to mention excuses for why you did or didn't do something. An employee who wishes to resign shall do so in the Human Capital. An employee who wishes to resign shall do so in the Human Capital.