How to write a resignation letter that's effective immediately? Your resignation letter should be to the point, concise, and clear.Here are examples of resignation letters for different levels and professions, each tailored to a specific personal reason. This letter includes details such as your last day of employment, transition steps, words of gratitude and, optionally, your reasons for leaving. Former Clark employee Mary Jane Rein, in which she shared her account of events leading to her resignation on Sunday. Gov or fill out form 2574. The resignation will be submitted in the HCM System and routed to the appropriate department within the Human Resources Division for approval. State your intention to resign: Clearly state in the opening paragraph that you are resigning from your position. Be direct and to the point. I therefore resign my deanship in the School of Law.