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

(b) You may require that passengers with a disability wishing to have battery-powered wheelchairs or other similar mobility devices transported on a flight check in one hour before the check-in time for the general public. If the passenger checks in after this time, you must nonetheless carry the wheelchair or other similar mobility device if you can do so by making a reasonable effort, without delaying the flight.