Important information: Make sure your resignation letter specifies the start date of your notice period and the anticipated final day you will be working. A two weeks' notice letter is a formal resignation letter stating your plan to resign two weeks from the day you submit it.Looking to resign with a 90 Days Notice Resignation Letter? Use our resignation letter template for notice-period roles. In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. Learn how to write a resignation letter with a notice period. Template for an employee to use to resign and give notice. We have put together a compilation of resignation letter templates to ease the pressure off of you when it comes to writing your resignation letter. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. The media could not be loaded, either because the server or network failed or because the format is not supported.