{"data":{"id":"us/49-u.s.c.-20503","jurisdiction":"us","citation":"49 U.S.C. § 20503","heading":"Amending regulations and changing requirements","body":"The Secretary of Transportation may amend a regulation or change a requirement applicable to a railroad carrier for installing, maintaining, inspecting, or repairing a signal system under this chapter—(1) when the carrier files with the Secretary a request for the amendment or change and the Secretary approves the request; or (2) on the Secretary’s own initiative for good cause shown.","path":["Title 49—TRANSPORTATION","CHAPTER 205—SIGNAL SYSTEMS"],"source_url":"https://uscode.house.gov/download/releasepoints/us/pl/119/103/xml_usc49@119-103.zip","current_through":"Public Law 119-103 (09/02/2026)","vintage":"","retrieved_at":"2026-09-10T06:01:06Z","sha256":"ca17775e90d044bffdd40b24b9b4b687a26e2fd01ce230799701d165e92be1cf","source_id":"us","stale":true,"prev":"us/49-u.s.c.-20502","next":"us/49-u.s.c.-20504"},"notice":"GroundRules: Original legal text. Not legal advice."}