In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. Tarrant County offers an optional tax-deferred retirement savings program called Deferred Compensation (457(b) plan).Use a retirement resignation letter template to inform your employer that you plan to leave the workforce. A day later, Taneja submitted a resignation letter, where he said he left the county in good standing. In the resignation letter, which was made public last Monday, Garcia said differences with newly elected Judge O'Hare influenced his decision. George Gibson said in a letter to the Justice Department.