40% Off TAP Portugal Promo Codes & Discount Codes November The vouchers may be redeemed at the TAP Contact Center, any TAP store in Portugal, authorised travel agents and online. They are not refundable and if the full amount is not redeemed the remaining balance is lost. The validity of the vouchers cannot be extended. It is not possible to alter the data (passenger name) of any booking paid with a voucher.