U.S. and foreign air carriers operating flights to or selling tickets to the U.S. public are required to ensure that the public-facing content of websites that they own or control conforms to the Web Content Accessibility Guidelines (WCAG) 2.0 Level A and Level AA. If enacted, the proposed requirements will not just apply to U.S. air carriers’ public-facing pages; they will also apply to foreign carriers’ public-facing pages that are used to advertise or sell to the U.S. public for air transportation that begins or ends in the U.S.

Read more at
http://www.accessibilitynewsinternational.com/air-carrier-access-act-web-accessibility-requirements/