What are the requirements for Australian citizens traveling to Phuket via the Sandbox program?

An Australian citizen traveling to Phuket through the Sandbox program must prepare the following documents: a valid passport, a Covid-19 test taken no later than 72 hours before departure, health insurance for the entire stay, both inward and onward flight tickets, a Covid-19 vaccination certificate issued at least 14 days prior to the flight, and confirmation of the SHA+ certificate from their hotel. Additionally, travelers are required to book and pay for three Covid-19 tests, which hotels typically arrange and add to the bill.