Publication 721 Tax Guide to U.S. Civil Service Retirement Benefits For Use in Preparing 2001 Returns Important Changes for 2002 Important Reminder Introduction Topics and Useful Items Part I General Information Part II Rules for Retirees Part III Rules for Disability Retirement and Credit for the Elderly or the Disabled Part IV Rules for Survivors of Federal Employees Part V Rules for Survivors of Federal Retirees How To Get Tax Help Blank Simplified Method Worksheet Blank Lump-sum payment worksheet