In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. In the opening paragraph, make it clear that you are retiring.• Employee must fill out a county accident report in accordance with Section 12.02 of this. Manual;. This is my actual farewell letter. Tomorrow, October 15, is my last day at the firm as I move on to early retirement after 25 years of service. Obtainable from the Cuyahoga County Court House, Probate Court. Room 119, 1 Lakeside Avenue NW, Cleveland, Ohio 44113. (216). 443-8785. 3. Give your employer at least two weeks' notice. Employees with a long tenure at the company typically give a month's notice or more. In the following year as of the date of the resignation or retirement.