Letter of Resignation. This form cannot be hand written.The letter is a request from an employee to their former employer for an experience certificate. I have resigned on _____ date because ______(reasons). Understand termination letter and separation notice requirements for each applicable U.S. state with this helpful guide to stay compliant. Q: How should a letter of resignation be formatted? Can anybody give me format of Resignation letter and Experince certificate? Understand termination letter and separation notice requirements for each applicable U.S. state with this helpful guide to stay compliant. It also involves issuing of standard letters like Experience Letter to the employees who resign the organization. A relieving letter is issued to you towards the end of your job.