3220-AB51 200810 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 3220 Railroad Retirement Board RRB Listing of Impairments Other Significant Previously Published in The Unified Agenda Completed Actions No No 20 CFR 220 20 CFR 220, app 1 45 USC 231a 45 USC 231f No Withdrawn 11/21/2007 No No Federal No No No No Marguerite Dadabo P. 3220 Railroad Retirement Board RRB 312 751-4945 312 751-4701 312 751-7102 Room 836, Office of General Counsel, 844 North Rush Street, Room 811, Chicago IL 60611