By A Mystery Man Writer
Merchant category codes (MCC) are used by credit card companies to classify purchases according to the type of merchant. They are important for card rewards programs and other purposes.
What are Merchant Category Codes (or MCC Codes)?
Merchant Category Codes (MCC): Definition, Purposes, and Examples
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How Merchant Category Code (MCC) is used in Payments?
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Why MCC codes do not help with categorization - TapiX Blog
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