The E-vouchers can be used in FairPrice stores, Warehouse Club, Unity stores and online. This E-voucher includes a QR code that can be scanned at store checkout and a voucher code to be redeemed online.
Only the total transaction amount can be deducted from the E-voucher; customers cannot choose the specific value to be deducted. If the balance is below the transaction amount, the E-voucher can be used and the remaining balance can be paid via other payment methods.
Terms and conditions of the E-voucher usage is available here.
For more questions on E-Voucher usage, please refer to this link.