14 CFR 253.9 - Retroactive changes to contracts of carriage.
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§ 253.9 Retroactive changes to contracts of carriage.
An air carrier may not retroactively apply to persons who have already bought a ticket any material amendment to its contract of carriage that has significant negative implications for consumers.
[Doc. No. DOT-OST-2007-0022, 74 FR 69002, Dec. 30, 2009]