OIG Report: Using U.S. Postal Service-Specific Assumptions for Calculating the Federal Employees Retirement System Liability This report presents the results of our self-initiated review of Using U.S. Postal Service-Specific Assumptions for Calculating the Federal Employees Retirement System (FERS) Liability (Project Number 13BG015FT000). Our objective was to review the assumptions used for the Postal Service’s FERS […]