Card declined four times


In the second week of a US trip. Card operated fine for the first few days. Have since had the card declined in 4 different places even though PIN was confirmed as OK.
These were mainly huge retailers including Macy’s and Sam’s Club so will have had “live” card machines. I also need to return some items bought with the card so I am doubtful whether the refund will be able to be made. Any helpful ideas gratefully received.


There were some hiccups lately. I would not assume that refunds will be affected. It is regulated by Mastercard how refunds are handled.