If I return an item bought with a Cashback Voucher, where do I get my refund?

The amount you have been refunded will go back to the original method of payment (so if you bought the item using only the Cashback Voucher, the refund will go back on to the Cashback Voucher.  If you bought the item using some of your Cashback Voucher balance and paid for the rest with your HyperJar prepaid card, the refund will go back on to both, reflecting the amount that was spent with each).