82ad790e_and_Merchant_Services_Glossary__Definition
[Term] MID-Qualified Transactions [Definition] 
A Mid-Qualified Rate (which is sometimes called a partially qualified rate) is the percentage rate that merchants are charged when they accept credit cards that don’t qualify for the smallest rate. It will occur for a few reasons, such as when a the credit card a customer is keyed into a POS as opposed being swiped magnetically, or a business credit card or special rewards is employed.
Credit Card Processing and Merchant Services Glossary
Definition