In this article, we cover everything you need to know about writing a resignation letter without notice and provide an example to get you started. This resignation letter sample provides your employer with a letter for your file and also suggests that you've done everything you can to remain professional.It states to give a two week minimum, but that professionals should give 30 day notice. While it's generally seen as a courtesy to provide a twoweek notice, it's not a legal requirement unless specified in an employment contract or company policy. There's no legal requirement to give 2 weeks notice. While it's generally seen as a courtesy to provide a twoweek notice, it's not a legal requirement unless specified in an employment contract or company policy. Despite work etiquette, no laws require employees to give two weeks' notice. Adhere to the outlined plan in the resignation letter. No state or federal law requires you to notify your boss two weeks before leaving your job. If you're an at-will employee, you can leave at any time.