The airline strongly recommends keeping your boarding passes and documents confirming payment for air transportation (fiscal checks and statements of payment card transactions). Since the availability of these documents, with the attachment of a printout of the electronic ticket (in cases of business trips abroad, it is also necessary to provide a copy of the marks from the passport on the state border crossing), is sufficient grounds for charging air transportation costs as deductions, and also gives the right to deduct VAT on the electronic ticket.
In case of loss of one of the listed documents, you can issue a certificate on the official website airastana.com by the link.
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