Single use: Each voucher can only be used once.
No splitting: The value cannot be divided across multiple transactions.
No reuse: Once redeemed, the voucher cannot be used again, even if there is a remaining balance.
Digital Voucher Purchase: You can purchase a voucher that be used / redeemed at any online website however it once the voucher has been added to a specific website, you cannot use it again at another online website.