Electronic signature means a method of signing an electronic communication that identifies and authenticates a particular person as the source of the electronic communication and indicates such person's approval of the information contained in the electronic communication, in accordance with the Government Paperwork Elimination Act (Pub. L. 105-277, Title XVII, Secs. 1701-1710, 44 U.S.C. 3504 note, 112 Stat. 2681-749).
49 CFR § 390.5T
Unless specifically defined elsewhere, in this subchapter: