Approval means a written authorization, including a competent authority approval, issued by the Associate Administrator, the Associate Administrator's designee, or as otherwise prescribed in the HMR, to perform a function for which prior authorization by the Associate Administrator is required under subchapter C of this chapter (49 CFR parts 171 through 180).
49 CFR § 107.1
All terms defined in 49 U.S.C. 5102 are used in their statutory meaning. Other terms used in this part are defined as follows: