The state requires that stores display their refund policy, but that policy can be anything. The retailer is only required to take back defective merchandise. For more on your rights as a consumer, go to the state's consumer affairs page . If you're considering one of those timeshare offers, see what the FTC has to to say about them first. It has to be posted somewhere obvious, where you'll see it before the sale.
Stores can change their policies whenever they like.
Many do for holiday sales, so make sure you check. Here's something else that may surprise you about refunds. Even if a store gives cash back, it doesn't have to refund the sales tax after 90 days. Retailers pay the Department of Revenue quarterly. Afterwards, they can't get refunds, so, by law, they don't have to make them.