Bank Resignation Letter. Customize any of these resignation letters in minutes using our free AI-powered resignation letter builder..I am writing to officially submit my resignation as a Bank Teller at Secure Trust Bank. It has been a pleasure working with you and the entire team. How to write a resignation letter that's effective immediately? Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Include the position title and the last day you intend to work. I am fully committed to ensuring a smooth transition and minimizing any disruption my departure may cause. The employee should make sure to include their name, current job position, a brief explanation of why they are resigning, and what date their last day will be. It helps you resign professionally, promote a smooth transition, and put your health first.