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FAQ on new Costco Citi Visa card

Readers have been full of questions about the newly announced Citi Costco Anywhere Visa: What does it mean for credit scores? How do the rewards bonuses work? What are the fees and interest rates?

Before we tackle those, a little background: Costco has announced a new agreement with Citi and Visa to offer reward cards to its members. Beginning June 20, 2016, those American Express Costco cards will no longer work and Costco – which now accepts only American Express cards for credit payments – will accept only Visa cards. A new Citi Costco Anywhere Visa will be sent to American Express Costco cardholders in the next few weeks.

We answer several reader questions related to the switch:

Dear Cashing In,
Materials for the new Citi card say it offers “4 percent cash back on eligible gas worldwide, including gas at Costco.” But when you read the fine print, you find out that most gas stations will actually give only 1 percent back! Very deceptive, I think. – Bill

Dear Bill,
When the card was announced, one of the featured benefits, as you mention, is that it receives 4 percent cash back on “eligible gas.” When you read the details of the program terms, though, it says this: “You will only earn 1 percent cash back, not 4 percent, for gas purchased at superstores, supermarkets, convenience stores and warehouse clubs other than Costco or for fuel used for non-automobile purposes.”

That is setting off some alarm bells, given that 80 percent of all fuel in the U.S. is sold at convenience stores, according to the Association for Convenience & Petroleum Retailing (NACS), a trade group.

However, you shouldn’t worry. Here’s why: Card companies know what type of merchant you are charging at only via the merchant category code (MCC) that the card networks assign to individual businesses. Visa has separate codes for miscellaneous food stores/convenience stores (5499), service stations (5541) and automated fuel dispensers (5542). Supermarkets and warehouse clubs also have separate codes. Citi does not control how merchants are coded.

Citi confirmed to me that the Costco Anywhere Visa Card will give 4 percent at merchants classified as gas stations. In practice, most places where you pump gas are coded as gas stations, not as convenience stores – even if they are affiliated with a convenience store that offers the usual array of gum, lottery tickets, old-looking hot dogs and cold beer.

So rest easy. Your gas purchases probably qualify for the 4 percent cash back (and the purchases of hot dogs and cold beer at those places probably do, too).