CFR / 
Title 49
 / Part 391
 / 
Sec. 391.42 Schedule for use of medical examiners listed on the
On and after May 21, 2014, each medical examination required under this subpart must be conducted by a medical examiner who is listed on the National Registry of Certified Medical Examiners.
[77 FR 24130, Apr. 20, 2012]