I realize this resignation only provides short notice, but please understand that due to unforeseen circumstances I am unable to stay longer. Use this sample letter of resignation as a guideline for resigning from your job.Now let's explore the key reasons why resigning without notice is not only justified but might be essential. 1. Unsafe working conditions. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Pick the perfect wording and convey the message best suited for your situation. Clearly state your intention to leave and when you will be leaving. While it is traditional to have a two week notice, it is possible to give more or less time. When you resign from a job, the standard practice is to give two weeks' notice to your employer. Looking to resign with a Resignation Letter Without Notice?