Every Friday beginning October 18, 2019, through to the end of the year, tap your contactless credit or debit Mastercard® at a NYC MTA contactless terminal at any station between Grand Central and Atlantic Avenue-Barclays Center on the 4, 5, or 6 subway lines to pay for a single-fare subway ride, and Mastercard will refund your fare. *Limit two rides per cardholder per Friday


https://www.mastercard.us/en-us/cons...promotion.html