On the 1st floor (arrival terminal), pass through immigration,the baggage claim area, customs, and then quarantine. Thereafter, passengers connecting to Australia domestic flights operated by Virgin Australia or Qantas should take the passageways to the respective domestic flight departure area. On the 1st floor, there are also transfer counters for international flights, toilets, currency exchange booths, the stop for the paid bus to Terminal 2 (T-Bus), and escalators and elevators to the underground train station.