▸ One-time use per voucher

▸ No reissue for return or exchange

▸ Discount is distributed proportionally across all items in the purchase

▸ In case of return: Refund of the actual amount paid per item

▸ Discount distribution remains unchanged even in the case of partial returns

▸ No redistribution of the discount on remaining items in case of partial returns

These regulations ensure that the discount benefit is distributed fairly and that there are no disadvantages for the customer in the event of returns or exchanges.