14 C.F.R. § 257.6 Effective and compliance dates.
Title 14 - Aeronautics and Space
(a) This Part is effective as of August 25, 1999. (b) Compliance with the following sections is mandatory as of August 25, 1999: (1) §257.1, §257.2, §257.3, §257.4, §257.5(d), and §257.6. (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 (i) Of the fact that the selling carrier is not the transporting carrier and (ii) Of the transporting carrier's identity (as shown by its two-letter designator code in CRS displays). (c) Compliance with the following sections is mandatory as of March 15, 2000: (1) §257.5(a) and §257.5(c) in their entirety. (2) §257.5(b) insofar as it requires sellers of air transportation to give consumers (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 (ii) The same disclosures for long-term wet leases as for code-sharing arrangements. [64 FR 46821, Aug. 27, 1999]
Title 14: Aeronautics and Space
PART 257—DISCLOSURE OF CODE-SHARING ARRANGEMENTS AND LONG-TERM WET LEASES
§ 257.6 Effective and compliance dates.