49 CFR Part 27 - Nondiscrimination on the Basis of Disability in Programs or Activities Receiving Federal Financial Assistance (with amendments issued through Aug. 2015)

(c) Each airport operator shall negotiate in good faith with each U.S. carrier serving the airport concerning the acquisition and use of boarding assistance devices to ensure the provision of mechanical lifts, ramps, or other devices for boarding and deplaning where level-entry loading bridges are not available. The airport operator must have a written, signed agreement with each U.S. carrier allocating responsibility for meeting the boarding and deplaning assistance requirements of this section between or among the parties. The agreement shall be made available, on request, to representatives of the Department of Transportation.

(1) All airport operators and U.S. carriers involved are jointly and severally responsible for the timely and complete implementation of the agreement.

(2) The agreement shall ensure that all lifts and other accessibility equipment are maintained in proper working condition.