Warning Bulletin

Definition of 'Warning Bulletin'


A listing compiled on a weekly basis of credit cards that have been canceled, are past due or have been reported stolen credit card.

Also known as the "Hot List."

Investopedia explains 'Warning Bulletin'


The warning bulletin was created by the two biggest credit card vendors, MasterCard and Visa.

Technological advances have led to the replacement of paper bulletins with online terminals that provide instant notification of suspect accounts or invalid bank cards to processing merchants. For example, if a stolen credit card is used the terminal might produce a message stating that the card is listed on the Warning Bulletin.


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