14 CFR Parts 382 and 399; 49 CFR Part 27 - Nondiscrimination on the Basis of Disability in Air Travel: Accessibility of Web Sites and Automated Kiosks at U.S. Airports

(D) Where receipts, tickets, or other outputs are provided as a result of a transaction, speech output must include all information necessary to complete or verify the transaction, except that—

(1) Automated airport kiosk location, date and time of transaction, customer account numbers, and the kiosk identifier are not required to be audible;

(2) Information that duplicates information available on-screen and already presented audibly is not required to be repeated; and

(3) Printed copies of a carrier's contract of carriage, applicable fare rules, itineraries and other similar supplemental information that may be included with a boarding pass are not required to be audible.