Write your letter, saying that you've enjoyed your work and appreciate that they gave you opportunity to work for them. A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation.Looking to resign with a Unfair Treatment Resignation Letter? Use our resignation letter template for reason roles. Write a Professional Resignation Letter: Your letter should be concise, polite, and professional. In this guide, we'll show you how to write a professional unfair treatment resignation letter, what to include, what to omit, and how to take this crucial step. Write a resignation letter, and give two weeks if possible, not just one. Did you write out your resignation? I have to admit we rushed out 'levelling up' without actually deciding what it was. Picture yourself finally completing all your tasks.