Learn how to craft a professional resignation letter without notice with our guide. Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation.With or without a contract a 2-week notice is customary and polite. If you are in a bind and need to move more quickly then advise them of that. My last day of work for you will be on X date. It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. Provide as much notice as possible, but the HCSO requires a minimum two-week notice. This letter informs your employee that you must depart right away without the standard two weeks' notice. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude.