The FERS Annuity Supplement, also known as the Special Retirement Supplement (SRS), is a temporary benefit designed to provide additional income to certain FERS retirees who retire before age 62 and are not yet eligible for Social Security. This supplement approximates the Social Security benefit earned during your FERS service and helps maintain your income until you reach Social Sec... https://www.federalpensionadvisors.com/post/fers-supplement-eligibility