In this article, we discuss what to include in a professional resignation letter and we share examples of resignation letters you can use for reference. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. EFiling is currently available in all Probate and Family Court divisions, 24 hours a day, seven days a week, 365 days a year. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. The drop- down windows of the AFROTC Form 53. 12.3.3. Specific instructions for completing the AFROTC Form 53 are contained on the website. 12.3.4. Learn how to write a letter of resignation to quit your job on good terms.