For the full retirement benefit, you must be 62 years old at retirement or, if you have 30 years of credited service, you may retire as early as age 55. Not all forms are listed.To see holidays for a specific year, please select the tab labeled with your year of interest. Download iCalendar (. Complete a retirement application at least 5 weeks from the date you intend to retire(once you receive your official estimate). All employees have social security coverage. Permanent employees (and some temporary employees) have both a. 2. Complete a retirement application at least 5 weeks from the date you intend to retire(once you receive your official estimate). State and federal laws provide specific employment restrictions for retirees who return to work with an employer in the same public retirement system from. There are also special rules for state and local holidays for employees who work outside the Washington DC metropolitan area.