§ 243.3 Application and responsibility for compliance.
(a) This part applies to all railroads, contractors of railroads, and training organizations or learning institutions that train safety-related railroad employees except:
(1) Railroads or contractors of railroads that operate only on track inside an installation that is not part of the general railroad system of transportation (i.e., plant railroads, as defined in § 243.5);
(2) Tourist, scenic, historic, or excursion operations that are not part of the general railroad system of transportation as defined in § 243.5; or
(3) Rapid transit operations in an urban area that are not connected to the general railroad system of transportation.
(b) Although the duties imposed by this part are generally stated in terms of the duty of a railroad, each person, including a contractor for a railroad, who performs any duty covered by this part, shall perform that duty in accordance with this part.
(c)(1) A parent or holding company may comply with the requirements of this part on behalf of one or more subsidiaries if the arrangement is specified and submitted with the relevant training program(s) under subpart B of this part.
(i) The arrangement may be used to fulfill all or a portion of a subsidiary's responsibility for compliance with this part.
(ii) A parent or holding company that submits a training program on behalf of one or more subsidiaries must initially and continually maintain in its submission a list of the legal name of each subsidiary. The submission must reflect which courses each subsidiary is adopting if a subsidiary is not adopting the parent or holding company's training program in its entirety. The submission must reflect whether each subsidiary is adopting all of a parent or holding company's training programs or identify which courses each subsidiary is adopting.
(2) A subsidiary must not duplicate a training program submission a parent or holding company has made on its behalf.
(3) A subsidiary must file a training program submission, in accordance with the requirements of subpart B of this part, if a parent or holding company does not submit one or more training programs on behalf of the subsidiary that is intended to fulfill all of the subsidiary's responsibilities under this part.
(4) A subsidiary must comply with a parent or holding company's training program submission that is filed on behalf of the parent or holding company's subsidiaries unless the subsidiary files its own submission, in accordance with the requirements of subpart B of this part.
[79 FR 66501, Nov. 7, 2014, as amended at 91 FR 27861, May 15, 2026]