Originally Posted by
Cheetah_SA
Exactly. And I do wonder if BA has paid the money over to CX or just pocketed it?

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Excess baggage fees are not interlined. CX doesn't even know much, if any, BA charges.@:-) If CX were to charge excess baggage fee on the outbound, they would not have notified BA either. This is uniform for all interline baggage, it is the check-in airlines which decides.