Australia. Basically, if you ever bounce a cheque or make any kind of fee appear as a result of cashing one, they wont approve it.
Reason we started using them was a guy came into one of the other stores (who our owner owned) and had a bank cheque from his own, named, account. Buys a laptop and other stuff with it. Then goes to the bank and cancels the bank cheque. Used to be once issued they were practically legal tender.