49 U.S.C. § 20503

Amending regulations and changing requirements

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.

( Pub. L. 103–272, § 1(e) , July 5, 1994 , 108 Stat. 884 .)