You can hold your booking free of charge for 4 working days (excluding Sundays). Your booking will be automatically cancelled after this option period if you have not confirmed your booking in written form (by e-mail) with your travel agent. You will receive then a final booking confirmation and invoice with a deposit payment of 20% of the travel fare to be transmitted within 5 working days after receiving your invoice. Full payment will be required at the time of booking only when booking is less than 120 days before departure.Final payment rules depend on the different markets; mostly, you will be asked to make the rest payment also 120 days prior to departure; in some markets, it will be 60 days; please check your confirmation invoice.