14 C.F.R. § 240.1
(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 UNITED STATES OF AMERICA, DEPARTMENT OF TRANSPORTATION, OFFICE OF THE SECRETARY OF TRANSPORTATION
[photo]
[number]
[expiration date]
IS APPOINTED
[title]
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.
BY DIRECTION OF THE SECRETARY
[Doc. No. DOT-OST-2014-0140, 84 FR 15931, Apr. 16, 2019]