Why Is My Emerald Card Being Declined 2021. In some countries and regions, your payment method might be declined because of changes to local law. The credit card declined code “51” means that you’ve exceeded your credit limit (if it’s a credit card) or run out of funds (if using a debit card).
Try entering your card number again. The customer’s credit card issuing bank did not approve the transaction. Why are my transactions being declined?
There are several reasons why this might happen, and most of them are pretty simple.
I then called the number on the card and changed the pin thinking it was wrong and was able to get it changed. A typo in the card number. The emerald card can be used anywhere debit mastercard is accepted. My stimulus money was recently deposited onto an emerald card for 2018’s taxes that i luckily still had.