Under redelegation from the Administrator, Pipeline and Hazardous Materials Safety Administration, the Associate Administrator for Hazardous Materials Safety and the Office of the Chief Counsel exercise their authority for enforcement of the Federal hazardous material transportation law, this subchapter, and subchapter C of this subchapter, in accordance with Sec. 1.53 of this title. [Amdt. 107-11, 48 FR 2651, Jan. 20, 1983, as amended by Amdt. 107-24, 56 FR 8621, Feb. 28, 1991; Amdt. 107-32, 59 FR 49131, Sept. 26, 1994]