Gift vouchers are refundable, that is, the holder who has not activated (as well as activated) and has not used (partially or completely) the Gift Voucher has the right, by presenting the Gift Voucher and writing a corresponding application, to return the funds paid for the Gift Voucher or the remainder of the nominal value (with the exception of gift vouchers transferred as a gift).
The application for a refund of the funds paid for the gift voucher (or the remaining face value) is considered within 10 days and the funds are returned within the same 10-day period, while the gift voucher is withdrawn from the holder.
More detailed rules for using certificates are described
https://warpoint.ru/gift_rules