{"data":{"id":"us/49-cfr-1580.101","jurisdiction":"us","citation":"49 CFR 1580.101","heading":"Applicability.","body":"This subpart applies to each of the following owner/operators:\n(a) Described in § 1580.1(a)(1) of this part that is a Class I freight railroad.\n(b) Described in § 1580.1(a)(1) of this part that transports one or more of the categories and quantities of RSSM in an HTUA.\n(c) Described in § 1580.1(a)(4) of this part that serves as a host railroad to a freight railroad described in paragraph (a) of (b) of this section or a passenger operation described in § 1582.101 of this subchapter.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER D—MARITIME AND SURFACE TRANSPORTATION SECURITY","PART 1580—FREIGHT RAIL TRANSPORTATION SECURITY","Subpart B—Security Programs"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"2e1d22d3bdce9b9da0caa2fd3572286c5bd4033c1b6908c386dba366ae5d3060","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-1580.5","next":"us/49-cfr-1580.103"},"notice":"GroundRules: Original legal text. Not legal advice."}