Part 235 - Instructions Governing Applications For Approval Of A Discontinuance Or Material Modification Of A Signal System Or Relief From The Requirements Of Part 236
PART 235 - INSTRUCTIONS GOVERNING APPLICATIONS FOR APPROVAL OF A DISCONTINUANCE OR MATERIAL MODIFICATION OF A SIGNAL SYSTEM OR RELIEF FROM THE REQUIREMENTS OF PART 236 Authority:49 U.S.C. 20103, 20107; 28 U.S.C. 2461, note; and 49 CFR 1.89.