14 CFR Part 382 Nondiscrimination on the Basis of Disability in Air Travel (Air Carrier Access Act) (with amendments issued through May 2016)

(3) To be valid, a medical certificate under this paragraph must be dated within 10 days of the scheduled date of the passenger's initial departing flight.

Example to paragraph (b)(3): A passenger who schedules a flight from New York to London on January 15 with a return on April 15 would have to show a medical certificate dated January 5 or later. The passenger would not have to show a second medical certificate dated April 5 or later.