Vouchers which are issued by the Seller free of charge, for a specific period of validity in the context of promotional activities and which cannot be purchased by the Client (hereinafter referred to as "campaign vouchers”) can only be redeemed in the Seller’s online shop and only within the indicated time period. 9.2 Individual products may be excluded from the voucher campaign, if such a restriction results from the conditions of the campaign voucher. 9.3 Campaign vouchers can only be redeemed by consumers. 9.4 Only one campaign voucher can be redeemed per order. 9.5 The goods value should meet at least the amount of the campaign voucher. The Seller will not refund remaining assets. 9.6 If the value of the campaign voucher is not enough for the order, the Client may choose one of the remaining payment methods offered by the Seller to pay the difference. 9.7 The campaign voucher credit will not be redeemed in cash and is not subject to any interest. 9.8 The campaign voucher will not be redeemed, if the Client, in the context of his legal right to cancel, returns goods paid fully or partially by a campaign voucher. 9.9 The campaign voucher is transferable. The Seller may render performance with discharging effect to the respective owner who redeems the campaign voucher in the Seller’s online shop. This does not apply, if the Seller has knowledge or grossly negligent ignorance of the non-entitlement, legal incapacity or of the missing right of representation regarding the respective owner.