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49 CFR §1580.101

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This subpart applies to each of the following owner/operators:
  1. (a)Described in § 1580.1(a)(1) of this part that is a Class I freight railroad.
  2. (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.
  3. (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.