Members spend the most on computer software, elementary and secondary school supply stores, bookstores and telecom.
Of consumers who switched primary credit cards, 42% cite dissatisfaction with the card's rewards program, J.D. Powers says.
The card will also feature a series of rebates on Wal-Mart purchases.
Move comes after Palmetto Health Credit Union experienced financial losses tied to transactions in several states.
Guidelines aim to reduce the incidence of ACH transactions that result in exceptions and returns.
Younger consumers continue to have lower debt levels.
The credit union owned POS and ETF network adds to its total of $17.5M dividends paid back to owners since its inception.
Trade group says retailers are not subject to same data security standards as credit unions.
Cards used at 51 franchised stores between Jan. 20 and Aug. 11 may have been compromised due to malware.
CardHub CEO says First PREMIER Bank is trying to prevent consumers from looking at competing card offers.