14 CFR § 240.1 - Interpretation.
(a) In the exercise of the authority granted by 49 U.S.C. 41709, the authority of any special agent or auditor to inspect and examine lands, buildings, equipment, accounts, records, memorandums, papers or correspondence shall include the authority to make such notes and copies thereof as he or she deems appropriate.
(b) The terms “special agent” and “auditor” are construed to mean any employee of the Office of Aviation Enforcement and Proceedings and any other employee of the Department specifically designated by it or by the Director, Office of Security.
(c) The issuance in the form set forth in this paragraph (c) of an identification card and credentials to any such employee shall be construed to be an order and direction of the Department to such individual to inspect and examine lands, buildings, equipment, accounts, records, and memorandums in accordance with the authority conferred on the Department by 49 U.S.C. Subtitle VII.
The bearer of this credential whose name and photograph appear hereon is authorized to enter upon, to inspect, and examine lands, buildings (including airport facilities), and equipment (including aircraft) of air carriers and foreign air carriers, and to inspect and copy records and papers of air carriers, foreign air carriers and ticket agents, in performance of his/her duties under 49 U.S.C. 41709, related acts, and regulations of the Department.