Merchant Identification Number
A unique identification number issued to merchants for use in all processing systems to locate information concerning the merchants and their accounts.
Welcome to our Chargebacks Glossary! This page is your go-to resource for understanding the terminology used in the chargebacks industry. Whether you're a merchant, financial institution, or consumer, our glossary provides clear definitions of key terms, from "Acquirer" to "Zero Liability Policy."
A unique identification number issued to merchants for use in all processing systems to locate information concerning the merchants and their accounts.