Sometimes vouchers are given when customers ask for a refund on something. In that case, even if the returned item was brokered, then the voucher credit can only be used on DAZ originals. The good thing is that (I think) such vouchers don't expire. The bad thing is that if there are no DAZ originals that you want or don't already have, you have to sit on that voucher until a desireable new original item gets released. Just something to be aware of.