14 CFR § 121.548a
DOD Commercial Air Carrier Evaluator's Credential
July 13, 2020
Whenever, in performing the duties of conducting an evaluation, a DOD commercial air carrier evaluator presents S&A Form 110B, “DOD Commercial Air Carrier Evaluator's Credential,” to the pilot in command of an airplane operated by the certificate holder, the evaluator must be given free and uninterrupted access to the pilot's compartment of that airplane.
[Doc. No. FAA-2003-15571, 68 FR 41217, July 10, 2003]