Posted in Web Federal Employees – Lump-Sum Payments for Annual Leave January 28, 2025 An employee will receive a lump-sum payment for any unused annual leave when he or she separates from Federal service or enters on active duty in the armed forces and elects to receive a lump-sum payment. https://www.opm.gov/policy-data-oversight/pay-leave/leave-administration/fact-sheets/lump-sum-payments-for-annual-leave/