Start with a two weeks notice letter. This will serve as a formal, written documentation of your intent to leave and your transition timeline.In this article, we explain how to write a twoweek notice letter and we provide templates, tips and examples to help you get started. A two weeks' notice letter of resignation is a professional courtesy and at times a contractual obligation. Here's how to let your boss know you're leaving. How much notice should I give? It is standard practice to give at least a two-week notice. The first step is to determine whether the facility offers PRN jobs and whether there are enough shifts to cover each nurse's needs. Crafting a twoweek notice letter involves several key steps to ensure clarity and professionalism. Detailed Step-By-Step Guide.