ce095d56_tes__Requirement_and_duration___the_end_of_the_last_day_of_the
(iii) Any age a commercial pilot certificate or an air traffic control tower operator certificate
12th month after the month of the date of examination shown on the medical certificate.
Federal Aviation Regulation Sec. 61.23 - Medical certificates: Requirement and duration.
Then your medical certificate expires, for that operation, at the end of the last day of the