like 0I found this story helpful

 

Isis®, the mobile commerce joint venture created by AT&T Mobility, T-Mobile USA, Inc. and Verizon Wireless, today announced an exclusive offer for American Express Card Members:  now through June 1, 2014, American Express Card Members who tap to pay with a registered Card for a ride in a qualifying NYC Yellow Medallion Taxicab can get 50% back in statement credits.* 

The promotion is available to American Express’ U.S. Consumer, OPEN® Small Business and Serve Card Members with a registered Card in the Isis Mobile Wallet. The promotion is good for up to $100 in statement credits per eligible Card and registration is limited. 

Read more about the Isis and New York City Yellow Taxicab Promotion for American Express Card members in the complete news release.