In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. Edu to notify Human Resources (HR) that you are planning on retiring.Click on 'Job Change' and then 'Resignation'. Complete prompts and select Worker Resignation > Resignation > Retirement. Documents, Forms, Policies and Resources. RTF Recruiting and Hiring. In the opening paragraph, make it clear that you are retiring. Up to six months before your intended retirement date, you will need to complete and return an Application for retirement benefits. Up to six months before your intended retirement date, you will need to complete and return an Application for retirement benefits. In the opening paragraph, make it clear that you are retiring.