The due date (date and time) for ordered products is stated in the pro forma invoice which you will receive by email along with the reservation confirmation and it is mandatory. It is sufficient when the whole invoiced sum is credited to one of our accounts by the given date or the credit card payment is successful. On the basis of this payment we will issue products. You can check possibility of the due date prolonging for the concrete reservation immediately after the reservation completion or in the time of its validity by email at the address letenky@pelikan.sk or by phone at the Customer Service of the company Pelicantravel.com.