Most places won't rehire you without a 2 week notice. A good rule of thumb is to never burn bridges you might want to cross back over in the future.In this article, we discuss what a retail resignation letter is, the key parts you should include in the letter and the steps to writing one. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Most employers ask that you give them two weeks' notice before walking out the door for good. If you're planning to quit your job here is the compilation of the best resignation letter samples to help you easily draft your resignation letter. A two weeks notice letter is vital for maintaining professionalism, ensuring smooth transitions, securing future references, and legal compliance. When To Provide a Resignation Letter. The recommended timeline for providing a resignation letter is at least two weeks prior to your planned last day. No state or federal law requires you to notify your boss two weeks before leaving your job.