14 CFR § 67.405
Medical examinations: Who may perform?
July 13, 2020
(a) First-class. Any aviation medical examiner who is specifically designated for the purpose may perform examinations for the first-class medical certificate.
(b) Second- and third-class. Any aviation medical examiner may perform examinations for the second-or third-class medical certificate.
[Doc. No. FAA-2007-27812, 73 FR 43066, July 24, 2008]