Sales tax refunds: new class action?

According to George Gombossy who tracks consumer complaints for the Hartford Courant, dozens of consumers have complained to him that stores like Home Depot and Wal-Mart have refused to include state sale tax on returned items.  I’m not clear if this applies to every state but in Connecticut at least its illegal to withhold state sales tax from returns.  I’m watching out for this issue as the next hot area for retail class actions.

Article