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To ensure that top-tier members who book travel closer to departure
have access both to paid Executive Class and Executive First seats and
upgrades, we will no longer accept the discounted "V" class fares as upgrade-
eligible. These policies remain competitive with the North American industry.
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I'm pretty certain that AA allows you to use the 500-mile e-upgrades on
ANY fare.
[..edited to remove duplicated link..]
[This message has been edited by hsi.chang (edited 01-30-2002).]