The whole amount should be paid when booking. However, it is also possible to pay a 10% deposit of the whole amount as confirmation, and the remaining amount shall be paid no later than 21 days before the holiday. If you book an offer that includes Flights or Ferries, the full amount of the flight/ferry ticket(s) must be paid together with the deposit.
Bluserena si riserva di modificare i servizi, anche in relazione a future disposizioni di legge causa emergenza COVID-19
Bluserena reserves the right to make changes to the services, if required by the relevant authorities because of the CODIV-19 emergency