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Credit Card Number Validation - Luhn Algorithm (Doc ID 1360532.1)

Last updated on MARCH 14, 2019

Applies to:

Oracle Payments - Version 12.1.3 and later
Information in this document applies to any platform.


Why is the Luhn check performed only for some credit cards and for others no check is made?
For example, a credit card having a length of 16 digits that does not pass the Luhn check will be rejected, however a card with all number 9's will be accepted into the system.


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