257.6—Effective and compliance dates.
(2)
§ 257.5(b) to the extent that it requires sellers of air transportation to give consumers oral notice before booking transportation involving a code-share arrangement
(ii)
Of the transporting carrier's identity (as shown by its two-letter designator code in CRS displays).
(i)
Oral notice before booking transportation involving a code-share arrangement of the transporting carrier's corporate name and any other name under which the service is held out to the public and