One Week Notice Letter Example. Examples from Collins dictionaries.Mr Morgan has offered his resignation and it has been accepted. Pick the perfect wording and convey the message best suited for your situation. Learn how to write a resignation letter (and what not to include) and then use our example letters as a guide. How to Write an Immediate Letter of Resignation (4 steps). What is a resignation letter, and how do you write one? Here are sample letters and templates, as well as tips for how to resign gracefully. Learn how to write a professional resignation letter due to unfair treatment. It is after much thought that I have decided that I must submit this resignation to you.